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Candle-lit paper lanterns with written message is seen at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

Candle-lit paper lanterns with written message is seen at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

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A young girl look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

A young girl look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

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A young girl look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

A young girl look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

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Young girls look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

Young girls look at candle-lit paper lanterns with written message at Nagasaki Peace Park on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb, a plutonium implosion-type bomb on Nagasaki city, killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

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Children release dove and heart shaped balloons for the victims of the atomic bombing on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb on Nagasaki city and killing an estimated 40,000 people which ended the World War II. (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)

Children release dove and heart shaped balloons for the victims of the atomic bombing on the eve ahead of the 71st anniversary activities, commemorating the atomic bombing of Nagasaki on August 8, 2016 in Nagasaki, southern Japan. On August 9, 1945, during World War II, the United States dropped the second Atomic bomb on Nagasaki city and killing an estimated 40,000 people which ended the World War II.
 (Photo by Richard Atrero de Guzman/NurPhoto via Getty Images)