英文關鍵字
forest
green
river
nature
outdoor
water
stream
travel
tree
landscape
rock
scenery
summer
environment
stone
tourism
natural
sky
spring
mountain
blue
waterfall
beautiful
view
flow
wood
creek
park
clean
clear
alp
beauty
bank
turquoise
azure
body
emerald
large
transparent
season
cloud
aquamarine
woodland
snow
waterway