People at the conference
Palabras clave
adult,
advice,
conference,
education,
event,
explaining,
indoor,
listening,
meeting,
people,
presentation,
prof,
backview,
seminar,
speaker,
person,
audience,
back,
congress,
hall,
multimedia,
participant,
pass,
dais,
public,
to sit,
blur,
chair,
screen,
projector,
display,
chart,
graph
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