英文關鍵字
balance
beautiful
blue
bown
brook
cascade
clean
color
creek
earth
environment
exposure
flow
flowing
forest
fresh
green
harmony
leafs
life
metaphor
moss
motion
mountain
natural
nature
peace
plant
pure
rapid
refresh
river
rocks
rocky
running
rush
serene
smooth
speed
splash
stone
stream
tranquil
travel
trees
water
waterfall
wet
wild
woodland