adult
auditorium
cinema room
college
conference
conference hall
copy space
crowd
education
female
gesturing
girl
hall
high school
horizontal
indoors
laughing
lecture
lecture hall
lesson
lighting equipment
low lighting
meeting room
meetings
microphone
mixed race
podium
presentation
public talk
reading
school
smiling
speaker
speech
spotlight
student
students
talking
teaching
theatre
toothy smile