University lecture in lecture theatre, back row student POV

indoors one person woman adult 30s caucasian teacher lecturer large group of people diversity multi-ethnic group students young adults 20s millennials education higher education technology using computer laptop computer communication lecture lesson meeting sitting listening studying learning concentrating working taking notes presentation university college lecture theatre lecture room audience desk selective focus back view head and shoulders audience pov point of view big screen av display notebook long hair elevated view slow motion handheld