Japanese port city of Nagasaki

A view of Nagasaki from Glover Garden.  (Kiyoshi Ota / Getty Images)

The Nagasaki Prefectural Art Museum opened in 2005 and is designed by architect Kengo Kuma, whose other works include Tokyo’s Nezu Museum and flagship Tiffany shop.  (Masayuki Yamasak / Getty Images)

A woman prays in front of the Peace Statue at Nagasaki Peace Park.   (Kiyoshi Ota / Getty Images)

At the Nagasaki Atomic Bomb Museum, a nun looks at a replica of the 4.5-ton atomic bomb, nicknamed Fat Man, dropped over Nagasaki.  (Koichi Kamoshida / Getty Images)