China's national flag flies at half mast ahead of the national memorial ceremony for the Nanjing Massacre victims at the Memorial Hall of the Victims of the Nanjing Massacre by Japanese Invaders in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2021. (Photo: Xinhua/Ji Chunpeng)
The honor guard escorts the national flag ahead of the national memorial ceremony for the Nanjing Massacre victims at the Memorial Hall of the Victims of the Nanjing Massacre by Japanese Invaders in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2021. (Photo: Xinhua/Ji Chunpeng)
The honor guard escorts the national flag ahead of the national memorial ceremony for the Nanjing Massacre victims at the Memorial Hall of the Victims of the Nanjing Massacre by Japanese Invaders in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2021. (Photo: Xinhua/Ji Chunpeng)