KHARTOUM,  (Xinhua) -- China's second peacekeeping helicopter unit to Abyei held on Monday a memorial ceremony for victims of Nanjing Massacre. The Nanjing Massacre took place when Japanese troops captured the Chinese city on Dec. 13, 1937, and killed over 300,000 civilians and unarmed soldiers.

[caption id="attachment_61816" align="alignnone" width="900"] Members of China's second peacekeeping helicopter unit to Abyei mourn for the victims of the Nanjing Massacre in Abyei on Dec. 13, 2021. (Wang Yunsheng/Handout via Xinhua)[/caption] [caption id="attachment_61817" align="alignnone" width="900"] Members of China's second peacekeeping helicopter unit to Abyei attend a national memorial ceremony for Nanjing Massacre victims in Abyei, on Dec. 13, 2021. (Wang Yunsheng/Handout via Xinhua)[/caption] [caption id="attachment_61818" align="alignnone" width="900"] Members of China's second peacekeeping helicopter unit to Abyei attend a national memorial ceremony for Nanjing Massacre victims in Abyei, on Dec. 13, 2021. (Wang Yunsheng/Handout via Xinhua)[/caption] [caption id="attachment_61819" align="alignnone" width="900"] Members of China's second peacekeeping helicopter unit to Abyei attend a national memorial ceremony for Nanjing Massacre victims in Abyei, on Dec. 13, 2021. (Wang Yunsheng/Handout via Xinhua) ■[/caption]