英文關鍵字
afternoon
air
animal
animals
audio
autumn
bird
common
crane
cranes
diepholz
eurasian
fall
field
flight
flying
germany
group
gruidae
grus
high
landing
migrating
motion
nature
slow
sound
sunset
the
wings
英文關鍵字
afternoon
air
animal
animals
audio
autumn
bird
common
crane
cranes
diepholz
eurasian
fall
field
flight
flying
germany
group
gruidae
grus
high
landing
migrating
motion
nature
slow
sound
sunset
the
wings