Free Concentrated Videos
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![](https://media.istockphoto.com/id/1324895768/video/slow-motion-asian-chinese-male-athletes-lining-up-getting-ready-starting-line-running-at-mens.jpg?b=1&s=640x640&k=20&c=5TFJy8inRPJ4CItcekMMFJZbFhu7LJPLg81oGZlWrGQ=)
slow motion asian chinese male athletes lining up getting ready starting line running at men's track rainy late evening in stadium
![](https://media.istockphoto.com/id/1779655763/video/female-electrical-engineer-using-digital-tablet-at-dark-power-station-during-twilight.jpg?b=1&s=640x640&k=20&c=VszyE5DkHFnp2ombJ0e-ZREswkCWERJjWhKFxdS-Dg0=)
SLO MO Female Electrical Engineer Using Digital Tablet At Dark Power Station During Twilight
![](https://media.istockphoto.com/id/1409733775/video/microbiome-intestine-factories-and-microbiota-gut-health-3d-render-microvilli-with-factories.jpg?b=1&s=640x640&k=20&c=6NhNRiud_-rHCRmOw0-pkrOXuBnU_JZ1lshciex_Jzw=)
Microbiome intestine factories and microbiota. Gut health 3d render. Microvilli with factories in intestine
![](https://media.istockphoto.com/id/1414146853/video/busy-serious-and-smart-student-writing-in-a-notebook-at-school-inside-a-classroom-with.jpg?b=1&s=640x640&k=20&c=KBMhEvOgY2WFF_isVRfQYg3xoynP8Bp4MaRqxpk40ro=)
Busy, serious and smart student writing in a notebook at school inside a classroom with classmates. Young girl grading, checking and marking her own homework or assignment and sitting in class
![](https://media.istockphoto.com/id/1257532152/video/side-view-girl-afro-hairstyle-in-hoodie-talking-with-megaphone-proclaiming-news-announcing.jpg?b=1&s=640x640&k=20&c=13BhWl0Cte6un2IW0i6eb0WOuXw9-tdnpiXkvZ_Yn4g=)
Side view, girl afro hairstyle in hoodie talking with megaphone, proclaiming news, announcing advertisement
![](https://media.istockphoto.com/id/1295687011/video/close-up-view-of-a-calm-young-man-is-opening-his-eyes-and-looking-to-the-camera-at-grey.jpg?b=1&s=640x640&k=20&c=aw-SNMLlVlZN2KJfQ0fDwk_f4GCK7_QjlhCcffz6R3s=)
Close-up view of a calm young man is opening his eyes and looking to the camera at grey background wall in studio
![](https://media.istockphoto.com/id/1391402726/video/animation-of-a-danger-icon-on-transparent-green-screen-background-with-alpha-channel-stock.jpg?b=1&s=640x640&k=20&c=gEWMmb8GArjDGb-y3eDVJCAbmjojcR0cq2UpGh9_ZMQ=)
Animation of a danger icon on transparent green screen background with alpha channel. stock video - Warning symbol of a dangerous point, animated, footage ideal for special effects and post-production stock video
![](https://media.istockphoto.com/id/1436166870/video/portrait-of-a-man-with-glasses-working-at-a-computer-reflection-in-the-lenses-of-the-monitor.jpg?b=1&s=640x640&k=20&c=wtld0uv9048hKuBR7Q3NHHdvmNmTL42y-QBvAKA-A7s=)
Portrait of a man with glasses working at a computer. Reflection in the lenses of the monitor. Close-up.
![](https://media.istockphoto.com/id/1282909520/video/portrait-close-up-%D1%81ute-little-kid-while-watching-tv-child-watch-television-concept-video-game.jpg?b=1&s=640x640&k=20&c=v7jjBT3IYup-X8uKYRUlMjOshl-DzSYJrA8hOKktv6Q=)
Portrait Close Up Сute Little Kid While Watching TV. Child Watch Television. Concept Video Game, Entertainment, Family. Human Face. Macro Shot of Child Eyes While Using Tablet, Smartphone Computer.
![](https://media.istockphoto.com/id/1409733800/video/microbiome-intestine-factories-and-microbiota-gut-health-3d-render-microvilli-with-factories.jpg?b=1&s=640x640&k=20&c=2tVC7oBaLb1kTWhXD-iTvtbNCLi_7dqlP9qoGz30wKY=)
Microbiome intestine factories and microbiota. Gut health 3d render. Microvilli with factories in intestine . High quality 4k footage
![](https://media.istockphoto.com/id/1430829795/video/fitness-exercise-and-focus-face-of-woman-with-earphones-ready-to-run-outdoor-in-summer.jpg?b=1&s=640x640&k=20&c=BLLEF0INabo5H7Xtzb3sYvhW4EQuRrvhvfmdAXQC630=)
Fitness, exercise and focus face of woman with earphones ready to run outdoor in summer. Athlete thinking for workout motivation and training outdoor on daily cardio routine for wellness and health
![](https://media.istockphoto.com/id/1407231666/video/frustrated-sad-woman-feeling-tired-worried-about-problem-with-business-business-woman.jpg?b=1&s=640x640&k=20&c=NxsLoyuLU8X4zEEaiiDOxC0i3Ou7frVWc7Ti6fofAvk=)
Frustrated sad woman feeling tired worried about problem with business, Business woman stressed from working on a laptop, The concept of stress and failure in work.
![](https://media.istockphoto.com/id/1414149626/video/a-young-student-writing-test-or-essay-in-a-classroom-at-school-a-boy-learner-taking-an-exam.jpg?b=1&s=640x640&k=20&c=ntEdxu_gy1HG17_eAqgS8z-c4J4J1bQdVJ_KppPMwqk=)
A young student writing test or essay in a classroom at school. A boy learner taking an exam in class or making notes to revise and study later while in a lesson to further his education
![](https://media.istockphoto.com/id/1413380722/video/fit-active-athlete-running-on-beach-training-for-a-healthy-lifestyle-jogger-doing-morning.jpg?b=1&s=640x640&k=20&c=Nphia7Emn7JJLWw4mmDnSvB6nj39nqtFXXiI5DIzg34=)
Fit, active athlete running on beach, training for a healthy lifestyle. Jogger doing morning cardio and endurance workout in Summer. Back view of sporty woman in nature along the mountains and ocean.
![](https://media.istockphoto.com/id/1280715612/video/white-cartoon-effect-line-a-thin-short-line-20-seconds-long-ver-the-background-is-transparent.jpg?b=1&s=640x640&k=20&c=SorhEW0J7sN4-JBRrWod0KYxgc2yi87num-v99rr1xU=)
White cartoon effect line. A thin, short line. 20 seconds long ver. The background is transparent.