英文關鍵字
babbling
background
beautiful
beauty
brook
cascade
clean
clear
cold
creek
environment
falling
flood
flow
flowing
fluid
forest
fresh
freshness
green
landscape
moss
motion
mountain
movement
natural
nature
outdoor
outside
over
peaceful
pure
purity
rapids
river
rock
rocks
rocky
rushing
scene
scenery
silky
smooth
splash
spring
stone
stream
summer
tranquil
video
view
water
wet
wild