Citizens play with a police dog in Changsha, central China's Hunan Province, Jan. 9, 2021. A Police Camp Open Day event was held here to greet the first Chinese people's police day which falls on Jan. 10, 2021. (Xinhua/Chen Zhenhai)

Citizens read introductions of police equipment in Changsha, central China's Hunan Province, Jan. 9, 2021. A Police Camp Open Day event was held here to greet the first Chinese people's police day which falls on Jan. 10, 2021. (Xinhua/Chen Zhenhai)