英文關鍵字
background
beautiful
blue
bush
calming
clean
close
cloud
dark
day
duck
environment
europa
fall
flow
forest
fresh
lake
landscape
leaves
light
motion
natural
nature
nobody
park
plant
pond
quite
reflect
reflection
ripple
river
scenery
season
sky
spring
stream
summer
sunny
tranquil
travel
tree
trees
view
water
waves
wind
wood