英文關鍵字
asia
banks
boats
buildings
cargo
chi
china
city
dam
day
delta
education
family
fishing
floating
flowing
food
good
ho
houses
huts
jungle
mekong
minh
mud
nature
pollution
poor
red
refugees
river
saigon
sea
seafood
seaweed
shacks
socialist
stilts
third
trade
trash
travel
trees
vietnam
vietnamese
water
world