By Katie Cannon, Senior Multimedia Editor
Brian Snyder / Reuters
A competitor dives off the roof of the Institute of Contempory Art as an airplane takes off from Logan International Airport during the Red Bull Cliff Diving World Series 2011 competition in Boston, Mass., Aug. 20. Boston is the sixth stop on this year's tour and the only urban venue, where divers plunge some 90 feet from the roof of a building into Boston Harbor.
Paper lanterns light the sky in St. Petersburg, Russia
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