英文關鍵字
asian
bay
beach
build
city
cityscape
coast
construction
directly
dirty
drainage
dump
ecology
embankment
environment
flow
focus
garbage
health
industrial
landmark
landscape
nature
ocean
pipe
pipeline
pollute
pollution
pour
protection
sea
seafront
sewage
sewer
sewerage
shore
skyscraper
system
tourist
town
toxic
treatment
tropical
urban
view
water
waterfront