Bildnachweise

Gekd © DDRockstar (Fotolia.com)
Romantic young happy couple kissing and hugging © nd3000 (Fotolia.com)
Drawing A Bridge © freshidea (Fotolia.com)
Group of thinking people with question mark looking up © pathdoc (Fotolia.com)
Junge Frau im Rockabilly Stil mit Sonnenschirm in der Natur © M.Dörr & M.Frommherz (Fotolia.com)
Choosing the freshest apples. © gstockstudio (Fotolia.com)
Young Designers at Work © Lumina Images (Fotolia.com)
Half length of two young handsome caucasian bearded businessmen © Eugenio Marongiu (Fotolia.com)
Polizist und Streifenwagen vor einer Menschenmenge © Heiko Barth (Fotolia.com)
Happy Couple Jogging © grki (Fotolia.com)
dağcı yardımlaşma,dayanışma ve birlikteliği © (Fotolia.com)
Mature woman yoga exercise © Rido (Fotolia.com)
Runner girl giving high five in the park. © Studio Romantic (Fotolia.com)
People doing trainig on exercycle in gym © UBER IMAGES (Fotolia.com)
Young people encouraging runners at finish line © Jacob Lund (Fotolia.com)
The Winner Takes It All © milanmarkovic78 (Fotolia.com)
Herz und Liebe Motiv © Thaut Images (Fotolia.com)
Young woman practicing morning meditation in nature at the park. Health lifestyle concept. © zeremskimilan (Fotolia.com)
trade fair visitors © rcfotostock (Fotolia.com)
stress auf arbeit power napping © detailblick-foto (Fotolia.com)
Summer healthy raw vegan clean eating breakfast in bed concept. Young girl wearing pastel colored home clothes sitting and holding tray full of fresh seasonal fruit, square crop © sonyakamoz (Fotolia.com)
Woman stretching in bed after wake up © arthurhidden (Fotolia.com)
Soft Skills © Trueffelpix (Fotolia.com)
Steuertipps © underdogstudios (Fotolia.com)
happy women with shopping bags in city © Syda Productions (Fotolia.com)
happy young woman in flower wreath on cereal field © Syda Productions (Fotolia.com)
Relaxed woman sitting and reading magazine in clothing store © Drobot Dean (Fotolia.com)
Professional beautiful and attractive young businesswoman posing © nd3000 (Fotolia.com)
Adult businesswoman working at home using computer, studying business ideas on a pc screen on-line. © undrey (Fotolia.com)
and holding a light bulb with sunset power concept © lovelyday12 (Fotolia.com)
Lebensmittel Plastikverpackung © animaflora (Fotolia.com)
Cars on road highway in traffic jam © disq (Fotolia.com)
Waiting on the bus © gemenacom (Fotolia.com)
Haus mit Solarzellen bei Sonnenschein © OFC Pictures (Fotolia.com)
Happy couple. Low angle view of beautiful young woman and man keeping eyes closed and sitting close to each other while drinking wine on the beach. Evening sunlight between them. © Artem (Fotolia.com)
young lady preparing documents for application © Ingo Bartussek (Fotolia.com)
Ramgestaltung: Apartment (panoramisch) © arsdigital (Fotolia.com)
staubwischen © Picture-Factory (Fotolia.com)
Private jet in flight © Carlos Yudica (Fotolia.com)
Woman overcome with stress, out of time management late anxious with clock background © elnariz (Fotolia.com)
Eisenhower-Prinzip © thingamajiggs (Fotolia.com)
Woman blogging in spacious office using computer on her workplace. Female employee sitting, smiling, looking at camera. © undrey (Fotolia.com)

Young man student drunk drinking alcohol in a messy room © Elnur (Fotolia.com)
nerve cells © adimas (Fotolia.com)
Geschäftsmann klopft sich selbst auf Schulter © tunedin (Fotolia.com)
Salat © karepa (Fotolia.com)
frau blickt angespannt zur seite und hält die hände vor den mund © contrastwerkstatt (Fotolia.com)
Pareto principle, eighty-twenty rule © Marek (Fotolia.com)
Pareto principle, eighty-twenty rule © Worranan Junhom (Shutterstock.com)
Healthy food © nehopelon (Fotolia.com)
Young engineer pointing out some interesting aspects of the project © Viacheslav Iakobchuk (Fotolia.com)
Carpenter working on his craft © WavebreakmediaMicro (Fotolia.com)
playing cards and shuffling © auremar (Fotolia.com)
Grab_Sonnenuntergang © mario_vender (Fotolia.com)
Close up cropped portrait of young handsome businessman in suit. He is fixing his tie. He stands on pure light background © deagreez (Fotolia.com)
Bewerbungsgespräch © Jonas Glaubitz (Fotolia.com)
Looking in mirror © Photographee.eu (Fotolia.com)
Woman with tattoo on hand standing in front of mirror © Drobot Dean (Fotolia.com)
Multiracial Group of Friends with Hands on Stack © fotofabrika (Fotolia.com)
Beautiful woman with magnificent galaxy hair © focusandblur (Fotolia.com)
Confident old pensioner is spending time in gym © YakobchukOlena (Fotolia.com)
Self talk concept. Young woman talking to herself in mirror reflection. Double portrait from two different side views. © yarlander (Fotolia.com)
Be another © Vladimir Ovchinnikov (Fotolia.com)
Portraits series © semisatch (Fotolia.com)
Geistesblitze © psdesign1 (Fotolia.com)
Kleidung © Daniela Stärk (Fotolia.com)
Happy man and a lot of money. © Rrraum (Shutterstock.com)
Man Holding Money © Zivica Kerkez (Shutterstock.com)
Tired young African man using laptop while sitting at the table on a sunny morning.Concept of people working hard home.Blurred background,flare effect © SFIO CRACHO (Shutterstock.com)
kuschelndes verliebtes paar im herbst © detailblick-foto (Fotolia.com)
paar im park © detailblick-foto (Fotolia.com)
Lovely young couple in love at the park in autumn. Romantic man and woman portrait. © Dirima (Fotolia.com)
Happy couple smiling with perfect teeth at home © Antonioguillem (Fotolia.com)
German Reichstag in Berlin, Germany, with national flags © Christian Müller (Fotolia.com)
A young plant growing through concrete pavement. © jdwfoto (Fotolia.com)
Beautiful girl in a wheat field at sunset. © Kar Tr (Fotolia.com)
Cozy home. Girl in a blanket with mobile © Prostock-studio (Fotolia.com)
Close up portrait of a beautiful young woman writing notes © Drobot Dean (Fotolia.com)
Man dating on line with a smart phone at home © Antonioguillem (Fotolia.com)
Concept lies and deceit © Prazis (Fotolia.com)
Verschiedene Portraits einer blonden Frau © DDRockstar (Fotolia.com)
Scared people two men and a woman with question mark peeking from under the table © pathdoc (Fotolia.com)
Home-made monster invitation cards © Westend61 (Fotolia.com)
Secure internet data processing concept © Nmedia (Fotolia.com)
young attractive latin woman lying at home couch worried suffering depression feeling sad and desperate © Focus Pocus LTD (Fotolia.com)
Young woman using phone lying in bed at night © Paolese (Fotolia.com)
rush hour © estherpoon (Fotolia.com)

Father helping daughter with homework at home. © dmitrimaruta (Fotolia.com)
Group of multicultural friends using smartphone outdoors – People hands addicted by mobile smart phone – Technology concept with connected men and women – Shallow depth of field on vintage filter tone © Mirko (Fotolia.com)
Can’t stop thinking about her… © Photographee.eu (Fotolia.com)
A colorful view from the mount Batur, Bali – Indonesia. © astrosystem (Fotolia.com)
Cute couple in a forest © oksana_bondar (Fotolia.com)
Young businessman holding his jacket with arms spread widely as © Gajus (Fotolia.com)
kleines schulkind schreibt formeln an die tafel © contrastwerkstatt (Fotolia.com)

frau im bewerbungsgespräch © contrastwerkstatt (Fotolia.com)

Leistungsbeurteilung / Würfel mit Symbole © magele-picture (Fotolia.com)

Human brain digital x-ray 3D rendering © sdecoret (Fotolia.com)

Freiberufler arbeiten im Co-Working Büro © Kzenon (Fotolia.com)

Women. © BillionPhotos.com (Fotolia.com)

Young gardener in garden smelling flower, sunny nature © Halfpoint (Fotolia.com)

Teenager girl breathing deep fresh air © Antonioguillem (Fotolia.com)

A young woman make yoga position at sunrise. in the autumn forest. © Zsolnai Gergely (Fotolia.com)

Boxes in a trolley on a laptop keyboard. Ideas about online shopping, online shopping is a form of electronic commerce that allows consumers to directly buy goods from a seller over the internet. © William Potter (Fotolia.com)

Amazing view of beach las Teresitas with yellow sand. Location: Santa Cruz de Tenerife, Tenerife, Canary Islands. Artistic picture. Beauty world © Olena Tur (Fotolia.com)

Young adult woman walking up the stairs with sun sport background. © Siam (Fotolia.com)

Two hikers in nature crossing the stream holding hands © Jacob Lund (Fotolia.com)

Double exposure of man © SFIO CRACHO (Fotolia.com)

Central Park, Manhattan, New York City © Marco Rubino (Fotolia.com)

Close-up of happy, excited pensioners during a birthday party, holding colorful balloons. Active seniors concept. © Photographee.eu (Fotolia.com)

MUNICH, GERMANY – OCT 2: Interiors of Loewenbraeu-Festhalle tent at the Oktoberfest in Munich, Germany on October 2, 2013. Oktoberfest is the world’s largest beer festival. © Takashi Images (Fotolia.com)

Oktoberfest banner. Background with Oktoberfest hand lettering and checkered buntings. Germany beer festival Oktoberfest © Stock Vector One (Fotolia.com)

Girls in traditional Dirndl dresses are drinking beer and having fun with their friends at the Oktoberfest in Munich © Frank Gaertner (Fotolia.com)

Cute pink piggy bank with a stack of generic ink cartridges for a printer in a concept of costs, expenses and savings © Matt Kay (Fotolia.com)

Cropped image of beautiful pregnant woman and her handsome husband hugging the tummy © George Rudy (Fotolia.com)

Colors of Me © agsandrew (Fotolia.com)

Weintrauben © Fontanis (Fotolia.com)

Woman Smoking A Marijuana Joint © Mitch (Fotolia.com)

Disheveled drunk or female high on drugs at a nightclub © Innovated Captures (Fotolia.com)

Mystery man in hoody jacket, sitting and hugs his knees up with an empty and broken bottle. depression self destruction suicidal addicts drug, Major depressive disorder concept © zephyr_p (Fotolia.com)

Junger Alkoholiker © runzelkorn (Fotolia.com)

Environmental portrait of a young girl with her wagon delivering newspapers. © Michael Courtney (Shutterstock.com)

Banker offering money if you sign contract © Bacho (Shutterstock.com)

Group of people over vintage colors background surprised with hand on head for mistake, remember error. Forgot, bad memory concept. © Aaron Amat (Shutterstock.com)

Woman student reading a book has a bright idea how to earn money. © pathdoc (Shutterstock.com)

Female student taking notes from a book at library. Young asian woman sitting at table doing assignments in college library. © Jacob Lund (Shutterstock.com)

Nervous young man feels awkward looking away anxiously isolated on gray background. © FGC (Shutterstock.com)

Closeup portrait nervous, stressed woman, nerdy scared student with eyeglasses biting fingernails looking anxiously, afraid of finals, isolated chalkboard background filled with math, physics formulas © pathdoc (Shutterstock.com)

Excited female student feels euphoric celebrating online win success achievement result, young woman happy about good email news, motivated by great offer or new opportunity, passed exam, got a job © fizkes (Shutterstock.com)

Hand holding a pedestal in the shape of a bar chart, four businesspeople standing on it. Front view. Concrete background. Concept of career growth. © ImageFlow (Shutterstock.com)

Closeup portrait annoyed, bored, tired, woman, funny looking student with book on head, sitting at desk, fed up of studying, isolated green chalkboard background. Face expression, emotion, reaction © pathdoc (Shutterstock.com)

Professional psychologist conducting a consultation © Dmytro Zinkevych (Shutterstock.com)

Portrait of handsome young man programmer in spectacles for vision protection working remotely on netbook in cafe interior, hipster guy looking at camera while updating software on laptop computer © GaudiLab (Shutterstock.com)

Nervous girl with a question mark drawn on paper over her forehead © Vladimir Gjorgiev (Shutterstock.com)

Young woman covers mouth with hand, not tell, isolated on a gray background © Borysevych.com (Shutterstock.com)

Hands writing on a paper © ASDF_MEDIA (Shutterstock.com)

Horizontal portrait of pretty woman keeps palm together, has pleased expression, asks husband to buy her new coat. Glad attractive female makes request, pleads for mercy. Hopeful young adult © WAYHOME studio (Shutterstock.com)

Businessman walks on an unknown road for a new adventure © alphaspirit (Shutterstock.com)

Hand with pen over application form © jannoon028 (Shutterstock.com)

Business woman making stop sign over white, focus on hand © TATSIANAMA (Shutterstock.com)

Feeling exhausted. Frustrated young beard man massaging his nose and keeping eyes closed while sitting at his working place in office © g-stockstudio (Shutterstock.com)

Soldier and young man with backpack smiling © Straight 8 Photography (Shutterstock.com)

Young slim woman has to decide between two directions. Girl in white full of doubts and hesitation. © Marijus Auruskevicius (Shutterstock.com)

Young obese man sitting at workplace and procrastinating being lazy and distracted. © pathdoc (Shutterstock.com)

Business people shaking hands, finishing up a meeting. © tsyhun (Shutterstock.com)

Woman refusing to sign contract or divorce © Bacho (Shutterstock.com)

Funny businessman with wall clock on gray background © Eugenio Marongiu (Shutterstock.com)

Happy young woman student or employee excited by reading good news in paper letter about new job, great deal, positive exam result, celebrating success or opportunity offered in written notification © fizkes (Shutterstock.com)

Image of businesswoman sneezing while her partner looking at her unsurely in office © Pressmaster (Shutterstock.com)

CASH BACK Thoughtful male person looking to the digital phone screen,Silhouette top computer and hand © one photo (Shutterstock.com)

Happy ginger woman in eyeglasses having idea and looking at the camera over yellow background © Dean Drobot (Shutterstock.com)

Young businesswoman working with documents. Low wages, overtime working hours, lack of career prospects concept. (Body language, gestures, psychology) © Zwiebackesser (Shutterstock.com)

Funny Casual Girl Holding Money Thinking to Invest. Successful woman with lots of cash from lucky win © Nicoleta Ionescu (Shutterstock.com)

Foods rich in natural vitamin D as fish, eggs, cheese, milk, butter, mushrooms, canned sardines © Evan Lorne (Shutterstock.com)

Miniature people standing on piles of different heights of coins. Income and economic inequality concept. © Hyejin Kang (Shutterstock.com)

Tired businesswoman sleeping on the desk, in front of the computer screen. © Stokkete (Shutterstock.com)

Beautiful funny businesswoman keeping calm in stressful situation at work, refusing pay attention to difficulties or misunderstanding during negotiations, ignoring excited angry colleagues on meeting © fizkes (Shutterstock.com)

Young businessman celebrating christmas in office sleeping on floor. © Cookie Studio (Shutterstock.com)

Workers of modern agency having break, coworking office © Photographee.eu (Shutterstock.com)

Tired of studies, young Woman is sitting on her desk with books © Stokkete (Shutterstock.com)

Nervous businessman sitting next to confident businesswoman © Lolostock (Shutterstock.com)

Gathering ideas © Ollyy (Shutterstock.com)

Young handsome man leaning on hand and falling asleep in boredom while working. © FGC (Shutterstock.com)

Group of people © Djomas (Shutterstock.com)

Manual workers © Phovoir (Shutterstock.com)

Close up of businessman holding in hands successful business team © Sergey Nivens (Shutterstock.com)

Happy friendly young female job applicant sitting in an employment interview with a young manager who is consulting her CV in a file, focus to her face © stockfour (Shutterstock.com)

Thinking young woman with yes or no choice on grey background. © lenetstan (Shutterstock.com)

Pretty young woman holds her hands up as scales over white background. © Jeanette Dietl (Shutterstock.com)

Pensive woman holding pencil near chin looking up think dreaming sit work at white desk with contemporary pc laptop isolated on pastel pink background. Achievement business career concept. Copy space © ViDi Studio (Shutterstock.com)

Businessman attracts money with a large magnet © TijanaM (Shutterstock.com)

Fingers pointing at a businessman © photoschmidt (Shutterstock.com)

Side view of elegant man looking surprised when being caught on lie. © pathdoc (Shutterstock.com)

serious businessman sitting at his desk © Ollyy (Shutterstock.com)

Young man giving empty hand on white background.Hands open businessman. some object are here.right or wrong option for select © anon_tae (Shutterstock.com)

woman applying for a new employment holding little child – Bilder © altafulla (Shutterstock.com)

in hand of a attractive business woman on white background – Bilder © Manuel333 (Shutterstock.com)

Frustrated tired man with laptop having a lot of work and screaming – Bilder © Roman Samborskyi (Shutterstock.com)

Different jobs – Bilder © Ollyy (Shutterstock.com)

professional resume for finding a job – Bilder © Eviart (Shutterstock.com)

Confused trainee working on line with a laptop in a difficult assignment at office – Bilder © Antonio Guillem (Shutterstock.com)

Young creative business people looking at the photo editor at office – Bilder © wavebreakmedia (Shutterstock.com)

Homepage Address Online Technology Www Concept – Bilder © Rawpixel.com (Shutterstock.com)

Man reading blank white flyer brochure booklet. Leaflet presentation. Pamphlet hold hands. Man show clear offset paper. Sheet template. – Bilder © OBprod (Shutterstock.com)

man working on his CV in office – stock photo – Bilder © Blackregis (Shutterstock.com)

New Job (in German) – Bilder © Brasil Creativo (Shutterstock.com)

Millennials Using Social Media With Icons © Monkey Business Images (Shutterstock.com)

Portrait with copy space empty place of thoughtful pensive girl having copybook and pen in hands looking up, writer waiting for muse, isolated on grey background – Bilder © Roman Samborskyi (Shutterstock.com)

Excited happy employee looking at wristwatch satisfied with meeting deadline finished work day in time, cheerful businesswoman checking time feeling motivated waiting for leaving office on friday – Bilder © fizkes (Shutterstock.com)

Dog walker – Bilder © adadem (Shutterstock.com)

Multiethnic group of desperate regretful people men women slapping hand on head having duh moment. Human face expressions – Bilder © pathdoc (Shutterstock.com)

Portrait of attractive hardworking businesswoman with Afro hairstyle busy doing paperwork at office desk, working through finances, using calculator and making notes in her notebook with pen – Bilder © WAYHOME studio (Shutterstock.com)

Happy young woman with her hands full of Euro bills – Bilder © MinDof (Shutterstock.com)

Attractive girl shows gray pump shoes. Process of making a video for a woman fashion channel. – Bilder © Yuriy Golub (Shutterstock.com)

Young european team members hi-fiving each other above wooden desk. Brick wall with business sketch in the background. Teamwork concept – Bilder © Peshkova (Shutterstock.com)

Customer experience concept, happy business women holding the smartphone with a checked box on excellent smiley face and rating for a satisfaction survey. stock photos – Bilder © Ken stocker (Shutterstock.com)

Artificial Intelligence handshake with humans on industrial robotics in blue tone color background, The robot has a role to work replacing humans in modern industries, industry 4.0 concept – Bilder © FeelGoodLuck (Shutterstock.com)

Businesswoman pressing smiley on keyboard laptop. Customer service evaluation concept. – Bilder © 13_Phunkod (Shutterstock.com)

Lohnabrechnungs-Formular mit Euro-Münzen – Bilder © alterfalter (Shutterstock.com)

German pocket calendar for 2019, standard size ISO 7810 ID-1, horizontal vector template – Vektorgrafik © rustamank (Shutterstock.com)

Woman in front of chalkboard thinking with German word for „perspectives“ written on it – Bilder © Robert Kneschke (Shutterstock.com)

Business team group going on elevator. Business people in a large glass elevator in a modern office – Bilder © ZephyrMedia (Shutterstock.com)

Hand and money staircase isolated on white background – Bilder © Tatiana Popova (Shutterstock.com)

Positive multiracial hr team or friendly female executives laughing at funny joke during successful job interview with male winning applicant making good first impression, humor and hiring concept – Bilder © fizkes (Shutterstock.com)

I Love My Job Note on Bulletin Board in Office – Bilder © Aysezgicmeli (Shutterstock.com)

Stethoscope, Charts and Graphs paper, Saving stack coins money, globe and credit card. Finance, Account, Statistics, Investment, Analytic research data economy and Business company meeting concept. – Bilder © sasirin pamai (Shutterstock.com)

Close up of Hand holding pen, it’s like a letter writer. Creative idea of work 2019 goals, writing, drawing,making notes in document.Business,investment,concept,Vintage ,Retro natural mood style. – Bilder © 15June’s (Shutterstock.com)

Pretty young woman wearing eyeglasses and dressed in yellow jacket over grey background make stop sign. Look at camera. – Bilder © Dean Drobot (Shutterstock.com)

Serious businessman in suit making call negotiating consulting customer looking at laptop in modern office space, salesman broker marketer talking on phone for telephone job interview at workplace – Bilder © fizkes (Shutterstock.com)

Portrait of a young pensive businesswoman wearing a brown shirt and standing near a whiteboard with a pros and cons scheme – Bilder © ImageFlow (Shutterstock.com)

young businessman relaxes sitting in the office – Bilder © Ollyy (Shutterstock.com)

BUSINESS AGREEMENT PARTNERSHIP Franchise COMMUNICATION CONCEPT – Bilder © garagestock (Shutterstock.com)

DSGVO, german version of GDPR, concept image. General Data Protection Regulation, protection of personal data. Young woman working with information. Datenschutz-Grundverordnung. – Bilder © Merkushev Vasiliy (Shutterstock.com)

Side view of a man climbing the concrete stairs made in the shape of a graph. Cloudy sky and city are in the background. Concept of success and achieving your goal. Mock up. Toned image – Bilder © ImageFlow (Shutterstock.com)

Elderly elegant man on his recruitment meeting – Bilder © Photographee.eu (Shutterstock.com)

Motivational speaker encouraging client to do personal challenges – Bilder © Photographee.eu (Shutterstock.com)

Sad fired businessman sitting outside meeting room after being dismissed – Bilder © baranq (Shutterstock.com)

Teacher giving lesson to students in classroom – Bilder © sebra (Shutterstock.com)

The girl represents in imagination what she strong – Bilder © Fotovika (Shutterstock.com)

Thinking business woman with glasses looking up on many questions mark isolated on gray wall background – Bilder © pathdoc (Shutterstock.com)

Happy Business people team. Isolated over white background. – Bilder © kurhan (Shutterstock.com)

Middle age hoary senior man wearing glasses over isolated background surprised with hand on head for mistake, remember error. Forgot, bad memory concept. – Bilder © Aaron Amat (Shutterstock.com)

mobile phone with smart home app in modern living room – Bilder © zhu difeng (Shutterstock.com)

Stressful people waiting for job interview. – Bilder © tsyhun (Shutterstock.com)

Young Woman Practicing with Karate Martial Art – Bilder © GiorgioMagini (Shutterstock.com)

handshake business partners after discussion of the contract at the working place – Bilder © SmartPhotoLab (Shutterstock.com)

businesswoman hand working with laptop computer, tablet and smart phone in modern office with virtual icon diagram at modernoffice in morning light – Bilder © mrmohock (Shutterstock.com)

Young stylish woman looking down having problems with self esteem and disbelief in self strength – Bilder © pathdoc (Shutterstock.com)

2019 new year business innovation technology set application icons, With businessman working on laptop computer PC, view from above – Bilder © My Life Graphic (Shutterstock.com)

Rear view of a puzzled businessman in front of a huge chalkboard written with the word hallo in different languages and colors. Opportunity for learning many languages for students. – Bilder © StunningArt (Shutterstock.com)

The testimony of an employee working in the German language – Bilder © Lisa S. (Shutterstock.com)

I feel bad- Young sick woman at home, using her mobile phone to ask for medical assitance – Bilder © oscarhdez (Shutterstock.com)

Portrait of bearded cheerful man closing eyes with palm to lover prepare pink packed gift box case, air ballons, sweet attractive cute couple celebrating valentine day, 14-february – Bilder ©
Roman Samborskyi (Shutterstock.com)

Mature businessman or a scientist with gray hair with a robot. – Bilder © Halfpoint (Shutterstock.com)

Indian woman laughing at funny joke eating pizza with diverse coworkers in office, friendly work team enjoying positive emotions and lunch together, happy colleagues staff group having fun at break – Bilder © fizkes (Shutterstock.com)

Merry Christmas and Happy New Year 2018! Multiracial young creative people are celebrating holiday in modern office. Group of young business people are drinking champagne in coworking. – Bilder © Von 4 PM production (Shutterstock.com)

Working woman thinking about solution © Jacob Lund (Fotolia.com)

Adhd. © BillionPhotos.com (Fotolia.com)

Beach days © MiguelAngelJunquera (Fotolia.com)

Blonde man with a laptop in zen pose © luismolinero (Fotolia.com)

Hand drops a postcard in a red mailbox in the Rome, Italy. The postcard shows a panorama of Rome. © SimoneN (Shutterstock.com)

Fitness gym trainer talking to man training on workout equipment machine indoors. Couple happy working out together. © Maridav (Fotolia.com)

Lebenslauf, German text for Resume, text over young business man typing on laptop at desk in office environment – Bilder © MichaelJayBerlin (Shutterstock.com)

A scrap of gold. Old and broken jewelry, watches of gold and gold plated on a background of Euro banknotes. © VladKK (Shutterstock.com)

Happy little kid boy with chalk desk in hands. Healthy adorable child outdoors On desk When I grow up I want to be in German with dream profession © Romrodphoto (Shutterstock.com)

Business woman sleeping on laptop taking a power nap during work Isolated, have clipping paths. © Mckyartstudio (Shutterstock.com)

Fröhlicher bärtiger junger Erwachsener, der nach einem erfolgreichen Vorstellungsgespräch in kleinen Büros mit dem Chef die Hand schüttelte © stockfour (Shutterstock.com)

Boss entließ einen Angestellten. Abgeschlagener Büroangestellter mit einer Kiste voller Sachen. Getting-Konzept. © ldutko (Shutterstock.com)

Panoramabild besorgter Dozenten, die Angst vor einer öffentlich-sprachigen Haltung haben, die eine Serviette in der Nähe der Stirn hält, während sie auf einer Podiumtribüne stehen © LightField Studios (Shutterstock.com)

Preoccupied woman student in denim clothes eyeglasses backpack isolated on pastel pink background. Education in high school university college concept. Mock up copy space. Hold books put hand on head © ViDI Studio (Shutterstock.com)

Geschäfts-, Menschen-, internationale Kommunikations-, Jagd- und Technologiekonzept – Nahaufnahme von Händen, die den PC-Bildschirm mit dem Computer mit dem PC-Bildschirm „Finger auf Tablette zeigen“ mit Weltkarte und Internet-Kontaktnetzwerk auf dem Tisch © Syda Productions (Shutterstock.com)

Junge Menschen, die Gruppenstudiengänge in der Universitätsbibliothek absolvieren, mit Büchern und Laptop sitzen, um Informationen zu erforschen © Prostock-studio (Shutterstock.com)

Silhouette Mann ist traurig, nicht in der Lage, den Berg zu besteigen. Himmel und Sonnenuntergang. Erfolgreiches und fehlgeschlagenes Konzept. Eps10 Vektorgrafik. © Banana Oil (Shutterstock.com)

Euro banknotes. 50 euro euro money. Money finance earning sector concept. Cash money on wooden background. Euro bank notes Laid out in a semicircle. © Artem Kontratiev (Shutterstock.com)

Professional Gamer Playing First-Person Shooter Online Video Game on His Powerful Personal Computer. Room and PC have Colorful Neon Led Lights. Young Man is Wearing a Cap. Cozy Evening at Home. © Gorodenkoff (Shutterstock.com)

Bild von jungen glücklich fröhlichen, süßen schönen Geschäftsfrau sitzt drinnen im Büro mit Laptop-Computer hören Musik mit Kopfhörern. © Dean Drobot (Shutterstock.com)

online banking concept – picture of happy woman with laptop computer and euro cash money © Syda Productions (Shutterstock.com)

Einer der Politiker, der während des politischen Gipfels oder der Konferenz mit seinen Händen am Tisch sitzt © Salivanchuk Semen (Shutterstock.com)

Geschäftsfrau drückt auf virtuellem Touchscreen Gesichtseffekt auf Tablet.Kundenservice-Auswertungskonzept. © 13_Phunkod (Shutterstock.com)

Euro banknotes. 50 euro euro money. Money finance earning sector concept. Cash money on wooden background. Euro bank notes Laid out in a semicircle. © Artem Kontratiev (Shutterstock.com)

Kundenerlebniskonzept. Glückliche Geschäftsfrau mit ausgezeichneter Bewertung für Online-Befragung zur Zufriedenheit © pathdoc (Shutterstock.com)

Family Business – telecommute Businesswoman and mother with kid is making a phone call © nazarovsergey (Shutterstock.com)

Lächelnde weibliche Kollegen, die Schutzmasken tragen Grußmasken und Ellbogen am Arbeitsplatz springen, Frauen-Mitarbeiter in Gesichtsbeuteln schützen vor COVID-19 Coronavirus im Amt, Gesundheitskonzept © fizkes (Shutterstock.com)

Der junge Mann steht am Flughafen in der Nähe des Fensters und beobachtet das Flugzeug vor dem Abflug. Er steht und trägt Gepäck. Fokussieren auf den Rücken © Olena Yakobchuk (Shutterstock.com)