15
1516
american
body
boy
caucasian
child
class
classroom
dance hall
education
element
european
flexible
floor
girl
group
healthy
indoor
junior
learning
lesson
listening
mirror
movement
people
person
position
pupil
relax
repeat
school
schoolchildren
smiling
socks
sport
spreading
stretching
student
study
studying
teach
teacher
teen
teenage
together
training
woman
year
young