英文關鍵字
sky
birds
nature
flight
flying
wildlife
flock
group
migration
formation
wild
white
animals
background
blue
silhouette
wings
freedom
environment
goose
air
outdoors
clouds
feather
beauty
black
fauna
many
spring
season
autumn
water
migratory
duck
fowl
beak
sun
scenic
pattern
wallpaper
motion
ibis
soar
cloudy
green
dusk
high
europe
south
horizon