Students leaving the room at the end of a university lecture, shot on R3D

indoors one person adult man middle aged 40s african american ethnicity teacher large group of people men women diversity multi-ethnic group students disabled student education higher education communication lecture meeting standing leaving the end clapping gesturing listening studying learning working presentation university college lecture theatre lecture room audience taking notes technology using computer laptop computer desk lectern wheelchair full length selective focus head and shoulders back view elevated view audience pov point of view handheld