英文關鍵字
amazing
beautiful
clean
debris
disaster
ecological
ecology
environment
fast
flood
flowing
forest
fresh
green
landscape
mineral
mountain
natural
nature
outdoor
park
peace
peaceful
pollution
rafting
rapids
river
rock
rocky
scenery
scenic
sparkle
splashes
spring
stone
stream
summer
sunshine
surface
torrent
tourism
travel
turbulent
water
waterfall
weather
whirlpool
wild
wilderness
wood