英文關鍵字
activity
andes
background
beautiful
blue
creek
danger
day
environment
environmental
flood
flow
flowing
forest
green
high
landscape
meteorology
moss
motion
mountain
mountains
natural
nature
outdoor
outdoors
overflow
park
plunging
power
raging
rapid
rapids
river
rock
spring
stone
storm
stream
summer
sunlight
tourism
travel
water
waterfall
wave
wet
wild