英文關鍵字
footage
waterfall
india
cascade
stream
park
ridge
appalachian
beautiful
mountain
forest
outdoors
water
foliage
tree
blue
carolina
peaceful
landscape
beauty
flowing
nature
rock
fall
creek
serene
river
scenery
natural
motion
summer
long
leaf
green
rainforest
spring
purity
delicate
refresh
smooth
brook
clear
pure
clean
cascading
stone
fresh
tranquil
splash
rocky
hill
big