英文關鍵字
banaras
benares
city
danger
dirt
dirty
disaster
dry
dump
ecology
environment
environmental
floating
flowing
ganges
garbage
garbages
industry
kashi
lake
leaves
messy
natural
nature
outdoors
plant
plastic
pollute
polluted
pollution
problem
river
riverwater
rubbish
sewage
smell
state
stream
substance
toxic
trash
treatment
unhygienic
urban
varanasi
waste
water