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Asian student woman have anxiety because of exams, female prepare for test and learning lessons in the library. stress, despair, haste, misunderstanding reading, discouraged, expectation, knowledge
Handsome middle-aged hispanic man using smartphone on city street.
Teamwork during outdoors activity. Strong elderly couple in sportswear standing in plank position, giving high five, looking at each other and smiling. Concept of healthy retirement and active hobby.
Concentrated young female student sitting at the table, reading and writing something for her studying. Young brunette girl working at the library, doing her hometasks
Patients woman wear oxygen inhaler device for helping breath respiratory. Patient use portable oxygen at home. Patients with respiratory disorders. portable oxygen concentrator or oxygen generator

Free stock photosconcentration (508)

An intelligent elegant business person sitting at a desk and working with drawn empty text bubbles, boxes around him conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/intelligent-elegant-business-person-sitting-desk-794257735">Image used under license from Freestock.com</a>
A young businessman sitting at an office desk and working on paperwork with drawn arrows pointing at his head concept Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-sitting-office-desk-working-797825218">Image used under license from Freestock.com</a>
A confused busy elegant office worker in trouble with illustrated question marks conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confused-busy-elegant-office-worker-trouble-771621691">Image used under license from Freestock.com</a>
Confident female designer working on a digital tablet in red creative office spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-female-designer-working-digital-tablet-381960388">Image used under license from Freestock.com</a>
A young office worker sitting at desk working with keyboard, papers, highliter in front of empty clear background wall conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-office-worker-sitting-desk-working-771621697">Image used under license from Freestock.com</a>
A young businessman sitting at an office desk and working on paperwork with drawn arrows pointing at his head concept Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-sitting-office-desk-working-771621709">Image used under license from Freestock.com</a>
Casual young man holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-man-holding-book-brown-1186497775">Image used under license from Freestock.com</a>
Confident and edgy female designer working on a digital tablet in red creative office spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-edgy-female-designer-working-digital-412989481">Image used under license from Freestock.com</a>
Confident female designer working on a digital tablet in red creative office spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-female-designer-working-digital-tablet-410010376">Image used under license from Freestock.com</a>
Portrait of a smiling business woman with an afro in bright glass officeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/portrait-smiling-business-woman-afro-bright-305517233">Image used under license from Freestock.com</a>
A confident businessman with briefcase walking forward on drawn lines, cables in empty grey space conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-businessman-briefcase-walking-forward-drawn-636033806">Image used under license from Freestock.com</a>
A confident businessman with briefcase walking forward on drawn lines, cables in empty grey space conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-businessman-briefcase-walking-forward-drawn-667148794">Image used under license from Freestock.com</a>
Young casual businessman with arrows pointing to his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-casual-businessman-arrows-pointing-head-654844990">Image used under license from Freestock.com</a>
Golf players practicing to hit the ball at the courseImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/golf-players-practicing-hit-ball-course-93659917">Image used under license from Freestock.com</a>
Casual young man holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-man-holding-book-brown-1114149824">Image used under license from Freestock.com</a>
Million abstract linear rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/million-abstract-linear-rosette-424673836">Image used under license from Freestock.com</a>
Casual young woman holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-book-brown-636058964">Image used under license from Freestock.com</a>
A young elegant businessman walking on tight golden rope in front of city buildings landscape background conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-elegant-businessman-walking-tight-golden-645076771">Image used under license from Freestock.com</a>
Pensive man portrait - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pensive-man-portrait-isolated-white-background-104909630">Image used under license from Freestock.com</a>
A confident businessman with briefcase walking ahead on a tightrope in empty grey urban space conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-businessman-briefcase-walking-ahead-tightrope-566916697">Image used under license from Freestock.com</a>
A young elegant businessman walking on tight golden rope in front of city buildings landscape background conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-elegant-businessman-walking-tight-golden-608660978">Image used under license from Freestock.com</a>
Boy playing with letters - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/boy-playing-letters-isolated-white-background-103354523">Image used under license from Freestock.com</a>
Homework drawn with pencil strokesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/homework-drawn-pencil-strokes-390780427">Image used under license from Freestock.com</a>
Casual young woman holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-book-brown-789197284">Image used under license from Freestock.com</a>
A young businessman sitting at an office desk and working on paperwork with drawn arrows pointing at his head concept Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-sitting-office-desk-working-347461700">Image used under license from Freestock.com</a>
middle eastern descent businessman looking at an architecture modelImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/middle-eastern-descent-businessman-looking-architecture-304243784">Image used under license from Freestock.com</a>
Young woman working at her desk in the officeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-woman-working-desk-office-104049260">Image used under license from Freestock.com</a>
Young woman bored at her desk in the officeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-woman-bored-desk-office-104093147">Image used under license from Freestock.com</a>
Casual young man holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-man-holding-book-brown-1007458888">Image used under license from Freestock.com</a>
Young businessman with arrows pointing to his head Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-arrows-pointing-head-1007368960">Image used under license from Freestock.com</a>
Young businessman with arrows pointing to his head Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-arrows-pointing-head-789148288">Image used under license from Freestock.com</a>
Casual young woman holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-book-brown-773583805">Image used under license from Freestock.com</a>
Young businessman with arrows pointing to his head Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-arrows-pointing-head-792747106">Image used under license from Freestock.com</a>
3D man watching tv on the floor isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/3d-man-watching-tv-floor-isolated-48519976">Image used under license from Freestock.com</a>
Casual young man holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-man-holding-book-brown-776002852">Image used under license from Freestock.com</a>
Listen gold badge or emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/listen-gold-badge-emblem-379422922">Image used under license from Freestock.com</a>
Young businessman with arrows pointing to his head Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-arrows-pointing-head-773566405">Image used under license from Freestock.com</a>
City scape, tall buildings and clouds on clear blue sky with business person balancing on black rope conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/city-scape-tall-buildings-clouds-clear-461075728">Image used under license from Freestock.com</a>
Fullbody young man outdoors playing golf hitting the ballImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/fullbody-young-man-outdoors-playing-golf-47722393">Image used under license from Freestock.com</a>
Innovation grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/innovation-grunge-stamp-414792064">Image used under license from Freestock.com</a>
An elegan businessman in suit balancing on a tight rope with a briefcase in front of grey urban wall background environment conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/elegan-businessman-suit-balancing-tight-rope-667148920">Image used under license from Freestock.com</a>
Abstract profusion of nature: Varicolored illustration of many dots, predominantly yellow and gold, like a cloud of glowing fireflies or sunflowers out of focus, overlapping for 3-D effectImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/abstract-profusion-nature-varicolored-illustration-dots-240035173">Image used under license from Freestock.com</a>
beautiful woman having fun on a golf courseImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-woman-having-fun-golf-course-47606782">Image used under license from Freestock.com</a>
Group of students on the classroom studyingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/group-students-classroom-studying-42639454">Image used under license from Freestock.com</a>
Saturation grunge style stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/saturation-grunge-style-stamp-417307177">Image used under license from Freestock.com</a>
Casual young man holding book with brown arrows and stars flying out of itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-man-holding-book-brown-667160710">Image used under license from Freestock.com</a>
Female golf player outdoors with a club smilingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-golf-player-outdoors-club-smiling-49402978">Image used under license from Freestock.com</a>
An elegant businessman sitting at office desk and working on keyboard with drawn curves, lines illustration on background wall conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/elegant-businessman-sitting-office-desk-working-682505665">Image used under license from Freestock.com</a>
A confident businessman with briefcase walking forward on drawn lines, cables in empty grey space conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confident-businessman-briefcase-walking-forward-drawn-644301886">Image used under license from Freestock.com</a>
A confused office worker in trouble making silly face using magnifying glass with illustrated question mark bubbles conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/confused-office-worker-trouble-making-silly-682505614">Image used under license from Freestock.com</a>

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