academic
applauding
applaus
audience
body part
business
businessmen
businesspeople
businesswoman
caucasian
chairs
coaching
colleagues
conference
conference hall
congress
copy space
corporate
cropped
educative
educator
formal wear
gesture
gesturing
indoors
information
lecture
lecturer
listeners
meeting
men
partial view
participants
people
presentation
profession
professional occupation
seminar
sit
speaker
woman