英文關鍵字
area
boy
childrens
city
delhi
destruction
dirty
disaster
disposal
drain
dump
dumping
ecology
environment
environmental
everyone
free
gali
ground
harm
india
junk
lake
life
made
man
management
narrow
new
pan
people
pollution
poor
poverty
recycle
recycling
rubbish
running
shot
slowmotion
slums
street
that
trash
urban
wastework