英文關鍵字
abstract
ambience
astronomy
atmosphere
aura
backdrop
background
black
blue
celestial
constellation
cosmic
cosmos
creation
deep
environment
fantasy
field
galaxy
glow
glowing
gold
green
illustration
infinity
journey
light
loop
milky
motion
nature
nebula
night
orange
outdoor
outer
panorama
projection
science
sky
space
spherical
star
stars
universe
way
yellow