This Week in Photos, August 5-11, 2011

Check out our favorite travel photos for the week of August 5-11, 2011. Highlights include an underwater art exhibit and hot air balloon tightrope walking.

People release paper lanterns onto the Motoyasu River in Hiroshima, Japan to commemorate the atomic bomb victims on the 66th anniversary of the attack. The bomb killed an estimated 70,000 people instantly.