Fly over Africa on the back of a vulture and see the African continent with fresh eyes.
Condors soar along the Andes and scarlet macaws explore the heart of the Amazon.
Earthflight also relied on some extraordinary relationships.
We soar with cranes and geese over Venice, the white cliffs of Dover and Edinburgh.
Demoiselle cranes negotiate a Himalayan pass while bar-headed geese fly five miles above.
Images from the North American episode of Earthflight.