英文關鍵字
aerial
air
airiness
atmosphere
background
beautiful
beauty
blue
calmness
clean
clear
cloud
clouds
cloudscape
cloudy
color
cumulus
day
distance
dreamy
environment
flight
floating
fluffy
fly
freedom
heaven
immersion
light
meditation
natural
nature
nobody
outdoors
ozone
pattern
relaxation
sky
skyline
space
summer
view
weather
white
wind