英文關鍵字
adult
africa
animal
atmosphere
background
beautiful
blue
cloud
color
countryside
day
evening
field
green
hill
horizon
illumination
landscape
life
light
man
motion
mountain
nature
old
one
outdoor
panorama
people
picturesque
puffy
ray
rest
shade
shine
silhouette
sky
skyline
spring
summer
sun
sunrise
sunset
sunshine
travel
tree
trees
view
yellow