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Young concentrated man, student sitting in classroom and looking on laptop with focus. Preparing for upcoming exams. Concept of education, studying, homework, youth, lifestyle
Young girls and guys train during group pair couple yoga class, perform together exercises and stretches to improve physical health. Students practice back to back chair pose
Concentrated dark skinned copywriter in eyewear typing text of publication for web site working on freelance, serious afro american student searching information for homework project in network
A portable white oxygen concentrator stands on a light wooden floor with a disposable mask attached, illustrating home respiratory care, therapy equipment, and indoor medical wellness
Auschwitz concentration camp barracks, fog, winter, cold
Transportation of copper concentrate, ore in packing bags is loaded by crane into train

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