英文關鍵字
air
aqua
beautiful
bubbling
clean
creek
environment
fast
flow
flowing
foam
forest
journey
landscape
motion
mountain
natural
nature
outdoor
outside
quickly
rain
rapid
river
rock
rocky
rushing
scene
scenic
spray
stone
stony
stream
summer
torrent
tourism
travel
trip
tropical
view
water
waterfall
wet
wild