英文關鍵字
background
blue
bourn
bright
brook
cascade
cataract
closeup
course
creek
day
environment
fall
flow
flowing
forest
ice
landscape
liana
light
mountain
natural
nature
nobody
outdoor
rapid
riffle
rift
river
rock
run
scene
season
shelf
snow
splash
spring
stone
stream
summer
sunlight
sunshine
surface
tree
tropical
water
watercourse
waterfall
white
wilderness