[IMG]http://d.yimg.com/a/p/afp/20100524/capt.p***o_1274640621113-3-0.jpg?x=130&y=104&q=85&sig=iw06APiKFTaE2S.fH9kNJQ--[/IMG]AP - Atlantis' homeward-bound astronauts paid tribute Tuesday to their space shuttle, close to winding up its final journey after a quarter-century of flight.
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