slo mo cu young athlete closes his eyes and focuses on his breathing after intense exercise - concentration stock videos & royalty-free footage
brazilian female student makes conference video call on laptop computer talks with web tutor, online teacher in remote webcam chat on screen. - concentration stock videos & royalty-free footage
ms. young artist stirs paint in tray and touches up canvas painting with careful brush strokes. - concentration stock videos & royalty-free footage
young man studies laptop screen and taps pencil on desk - concentration stock videos & royalty-free footage
slow motion asian chinese male athletes lining up getting ready starting line running at men's track rainy late evening in stadium - concentration stock videos & royalty-free footage
close up eyes of asian young adult wearing eye glasses looking and working with laptop computer in the late night - concentration stock videos & royalty-free footage
black female creative working at an office looking very focused using her laptop - concentration stock videos & royalty-free footage
hd super slow-mo: tennis player serving on the clay court - concentration stock videos & royalty-free footage
coordinated young footballer completing dribbling drill - concentration stock videos & royalty-free footage
slo mo cu portrait of a young athlete perspiring after an intense workout - concentration stock videos & royalty-free footage
connection is easy to teach between teenager boy and school teacher-stock video - concentration stock videos & royalty-free footage
medium shot, waist up of a young woman working from home on her laptop tablet and taking notes on notebook working on dinning table and armchair - concentration stock videos & royalty-free footage
girl in school uniform doing painting- art activity in art room in school - concentration stock videos & royalty-free footage
asian chinese barista connoisseur coffee cupping tasting coffee quality drinking coffee sample at workshop grading - concentration stock videos & royalty-free footage
asian muscular woman exercise at gym by rope.healty, power, strength, lifestyle, sport concept.slow motion footage - concentration stock videos & royalty-free footage
two friends play multiplayer online video game on in a video call - concentration stock videos & royalty-free footage
asian boy using laptop for online studying at home - concentration stock videos & royalty-free footage
teenage boy seated on a desk in classroom writing with a pen on his note book looks up directly at camera - concentration stock videos & royalty-free footage
high angle view of asian male student goldsmith melting and casting with blow torch at college workshop - concentration stock videos & royalty-free footage
confident businesswoman writes and rearranges notes on whiteboard - concentration stock videos & royalty-free footage
self-isolation is your safety. teenager girl studying from home during the quarantine because of coronavirus outbreak, lying on a bed. - concentration stock videos & royalty-free footage
a millennial mixed race hipster woman leans against a railing and types a text message on her iphone - concentration stock videos & royalty-free footage
closeup of man eye in glasses watching on computer - concentration stock videos & royalty-free footage
man doing sit-ups on bench and train his abdominal muscles - concentration stock videos & royalty-free footage
pan young woman working out with heavy ropes in a gym - concentration stock videos & royalty-free footage
man practicing on electronic drums in his living room - concentration stock videos & royalty-free footage
exhausted woman takes a break from her laptop as she works late into the night - concentration stock videos & royalty-free footage
one armed female swimmer preparing to dive in the pool - concentration stock videos & royalty-free footage
slo mo cs male athlete doing a rotation in the air while diving into the pool in sunshine - concentration stock videos & royalty-free footage
hd slo-mo: young women starting the race on 100 m crawl - concentration stock videos & royalty-free footage
