Delegates from Japan mourn for victims of the Nanjing Massacre at the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders in Nanjing, in east China's Jiangsu Province on Wednesday, August 15, 2018. The day marked the 73rd anniversary of Japan's surrender, which brought an end to World War II. The 1937 Nanjing Massacre slaughter saw the Japanese army brutally murder about 300,000 civilians and unarmed Chinese soldiers. [Photo: IC]

A mourner lays flowers in memory of the victims of the Nanjing Massacre at the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders in Nanjing, Jiangsu Province on Wednesday, August 15, 2018. [Photo: IC]

Chinese students strike a bell to mourn for victims of the Nanjing Massacre at the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders in Nanjing, Jiangsu Province on Wednesday, August 15, 2018. [Photo: IC]

Delegates from Japan in front of the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders in Nanjing, Jiangsu Province on Wednesday, August 15, 2018. [Photo: IC]