英文關鍵字
abandoned
asphalt
bridge
brook
coal
coated
contaminated
creek
debris
decay
degraded
destruction
dirty
disaster
disruption
ecological
ecology
environment
extraction
field
flowing
forest
garbage
habitat
impacted
industry
junk
nature
nobody
old
park
paving
pollution
pond
rainage
recycling
river
rubbish
stream
substrate
trash
tree
ugly
unregulated
urban
waste
water
weeds
woods
yellow