英文關鍵字
bottles
garbage
environmental
protection
empty
used
creased
dumping
pile
isolated
dark
blue
background
plastic
recycling
waste
collection
ecology
problem
crushed
trash
pollution
zero
management
polyethylene
texture
reduction
wrinkled
art
biodegradable
rubbish
contamination
reuse
air
earth
industry
eco
nature
conservation
save
litter
nobody
object