英文關鍵字
abstract
abstraction
air
atmosphere
background
beautiful
blue
bright
brightly
clean
clear
cloud
clouds
cloudscape
cloudy
cumulus
day
fluffy
freedom
fresh
heaven
imagine
landscape
light
natural
nature
object
outdoor
ozone
screen
shine
skies
sky
solar
space
summer
sun
sunlight
sunshine
texture
wallpaper
weather
white
wisp