Nagasaki Marks 68th Anniversary of US Atomic Bombing

Visitors to the National September 11 Memorial observe the Tribute in Light, New York, Sept. 8, 2014.

Japan's Prime Minister Shinzo Abe offers a flower wreath for victims of the 1945 atomic bombing during a ceremony at Peace Park in Nagasaki, August 9, 2013. (Reuters/Kyodo)

People pray for victims of the 1945 atomic bombing during a mass at the Urakami Cathedral in Nagasaki on the 68th anniversary of the bombing of the city, August 9, 2013. (Reuters/Kyodo)

Pacifists stage a demonstration at the Peace Wall in Paris, to commemorate the 68th anniversary of the atomic bombing of Nagasaki, August 9, 2013.

Students arrange themselves into the formation of a dove to commemorate the 68th anniversary of the atomic bombings of Japanese cities Hiroshima and Nagasaki, Chennai, India, August 8, 2013.

A student participates in a peace rally to commemorate the 68th anniversary of the atomic bombings of the Japanese cities of Hiroshima and Nagasaki, in Mumbai, August 6, 2013.