浜辺
boy
brothers
camp
caucasian
cheerful
child
children
cleaning
collaborate
collect
cooperate
crouched
dirty
disposable gloves
ecological conscience
environment
environmental awareness
family
female
garbage bags
girl
glasses
happy
horizontal
litter
male
outdoors
people
person
picking up
plastic
rubbish
sand
selfless
smiling
team
tools
trash
two
utensils
volunteer
volunteering
working
young