2 The meadow vole never hears the owl’s wings.
3 Monarch butterflies cross a continent to mate in trees of Mexico.
4 Leonardo designed flying machines that never took to the air.
5 I still dream of flying and really want a set of mechanical wings like those worn by the protagonist in the movie Brazil.
6 Only when designers gave up on the idea of wings which flapped did they reach the skies.
7 That driver is flying low.