英文關鍵字
backgrounds
bright
cheerful
cloud
clouds
colors
continuity
earth
environment
expressing
fall
foliage
future
green
growth
healthy
hill
hope
horizon
horizontal
ideas
idyllic
land
landscape
leaf
life
lifestyles
lush
midair
motif
motion
new
over
oxygen
planet
pollution
positivity
progress
season
seasonal
sky
symbol
the
time
tree
word
writing
written