浜辺
activity
altruism
caucasian
charity
cleaning
copy space
ecology
enthusiastic
environment
european
female
free space
garbage
help
litter
multinational
nature
nonprofit
ocean
organization
outdoors
outside
participate
people
plastic
pollution
project
recycling
responsible
rubbish
sand
sea
seashore
social
sorting
teamwork
together
trash
uniform
unpaid
voluntary
volunteer
waste
water
woman
worker
young