Catholics hold bamboo torches during a peace march from the Urakami Cathedral toward the Peace Memorial park in Nagasaki, Japan, on Sunday, August 9, 2015. Seventy years ago, the United States dropped atomic bombs on the cities of Hiroshima and Nagasaki. The devastation led to Japan's surrender and brought an end to World War II.
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Doves fly over the Statue of Peace at Nagasaki Peace Park.
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Nagasaki Mayor Tomihisa Taue, second right, and other representatives offer wreaths of flowers during the memorial ceremony.
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Catholics offer prayers at an early morning Mass on to pay respect to the victims of the atomic bombing.
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A girl offers a prayer to the victims before lanterns are placed at the Peace Memorial Park in Nagasaki on Saturday, August 8.
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Candles are lit around the Hiroshima Peace Memorial in Hiroshima, Japan, on Thursday, August 6.
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A boy offers prayer as after releasing a paper lantern into the Motoyasu River on August 6.
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U.S. Ambassador to Japan Caroline Kennedy, center, leaves after a memorial ceremony at the Hiroshima Peace Memorial Park on August 6.
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Hiroshima Mayor Kazumi Matsui, right, bows at the Hiroshima Memorial Cenotaph on August 6.
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People pray in front of the cenotaph during the memorial ceremony.
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People pray in front of the cenotaph.
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A woman holds a photograph as she prays at the Hiroshima Peace Memorial on August 6.
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A man prays at the memorial on August 6.
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A woman prays Wednesday, August 5, at the Hiroshima memorial park.
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Foreign visitors rest near the memorial on August 5.
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People visit the Peace Memorial Park to pray for victims of the atomic bombing in Hiroshima.
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People visit the Hiroshima park on August 5.
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A woman overlooks the ceremony site at the Hiroshima park on August 5.
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People carry lanterns past the memorial on August 5.
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People hold lanterns as they walk for peace on August 5.