英文關鍵字
abundant
awesome
beautiful
cascade
danger
day
down
emerald
falls
flow
flowing
foliage
fresh
heaven
hot
jungle
label
landscape
leaf
levels
many
natural
nature
paradise
parks
plant
purity
rapids
relax
river
rock
rocks
running
spray
spring
stop
stream
sun
top
tropical
vacation
vietnam
warning
water
waterfall