英文關鍵字
aspen
awe
backdrop
background
beautiful
beauty
blue
branch
breeze
clear
day
environment
flora
foliage
forest
fresh
green
grove
growth
heaven
leaf
leaves
light
lush
many
moving
natural
nature
outdoor
outdoors
plant
poplar
quivering
rustle
scenic
season
shiver
sky
summer
sunny
sway
tree
trembling
wind