英文關鍵字
activist
aged
cheerful
closeup
community
cooperation
earth
eco
ecological
ecology
ecosystem
environment
environmental
event
female
five
forest
gesture
group
happy
high
male
man
meeting
nature
park
participation
partnership
people
plant
planting
project
protection
reforestation
responsibility
restoration
save
smile
smiling
spring
success
team
teamwork
together
togetherness
volunteer
volunteering
volunteerism
welfare
work