英文關鍵字
above
against
air
alone
animal
background
beak
beautiful
beauty
bird
blue
bright
clear
cloud
concept
day
feather
flight
fly
flying
free
freedom
gull
heaven
high
horizontal
landscape
life
light
motion
natural
nature
one
outdoor
silhouette
sky
soaring
space
summer
sun
sunlight
sunny
sunrise
sunset
weather
white
wild
wildlife
wind
wing