英文關鍵字
asia
bag
bottle
burn
cardboard
city
contaminated
damage
destruction
dirty
disaster
dump
dust
ecology
environment
factory
fire
flame
garbage
hot
industrial
industry
junk
junkyard
landfill
nature
pile
plant
plastic
pollution
polygon
poverty
puddle
recycling
rubber
rubbish
scrapyard
smoke
stink
tires
town
unhealthy
waste