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The legendary Boeing B-52 is a real stratospheric fortress
Jumping into the stratosphere. Felix Baumgartner
The stratosphere with the sun and stars
Photos of islands from the stratosphere. Moon and meteors
Snow-white clouds at the height of the stratosphere
In the stratosphere, clouds are especially curly
Peter and Paul Fortress and ice in winter
Pirates Update in Tim Fortress 2
Four-engine bomber Boing B-17 alias - flying fortress
Photo of the b-17 "Flying Fortress" in the sky
Heavy Bomber Flying Fortress
Art of team fortress 2 participants