英文關鍵字
activist
agriculture
care
caucasian
charity
child
closeup
conservation
daughter
earth
eco
ecological
ecology
ecosystem
education
environment
environmental
event
female
forest
garden
gardening
girl
green
happy
kid
natural
nature
park
plant
planting
pot
project
protection
reforestation
resources
responsibility
restoration
sapling
save
seedling
smile
smiling
sustainability
tree
volunteer
volunteering
volunteerism
welfare