英文關鍵字
clouds
sky
cumulonimbus
cloudy
white
blue
light
bright
nature
environment
pristine
unpolluted
movement
rapid
overcast
climate
landscape
panoramic
panorama
color
condensation
steam
humidity
cumulus
spring
summer
day
weather
meteorology
atmosphere
purity
background
season
wind
air
horizon
sardinia
outdoors
beauty
forecast
pollution
footage
video
clip