英文關鍵字
autumn
boulder
brook
cascade
clean
cold
coolness
creek
ecology
environment
falls
flow
flowing
fountain
fresh
freshness
gorge
landscape
liquid
lush
moist
mossy
motion
natural
nature
peaceful
pure
purity
quiet
river
rock
scenery
scenic
showplace
source
splash
spring
stone
stream
travel
underground
water
waterfall
wet