NAGASAKI, Japan — The southern Japanese city of Nagasaki on Saturday marked 80 years since the U.S. atomic attack that killed tens of thousands and left survivors who hope their harrowing memories can help make their hometown the last place on Earth to be hit by a nuclear bomb.

What You Need To Know

Nagasaki has marked the 80th anniversary of the U.S. atomic attack on the southern city in Japan

Survivors are determined to make their hometown the last place on Earth hit by a nuclear bomb

About 2,600 people attended a memorial event Saturday at Nagasaki Peace Park

Participants included representatives from more than 90 countries, Japan's prime minister and the mayor of Nagasaki

Survivors have committed to a goal of abolishing nuclear weapons but worry about the world moving in the oppo

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