White screen projector on a wooden stance in a dark conference or lecture hall
Schlüsselwörter
screen,
projector,
beamer,
camera,
machine,
white,
conference,
seminar,
lecture,
hall,
auditorium,
tribune,
slide,
presentation,
wooden,
meeting,
room,
cable,
wire,
brown,
chair,
empty,
table,
shadow,
dark
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