A policeman helps a child try on a police helmet at a kindergarten during an activity to help enhance children’s traffic safety and self-protection awareness in Nanjing, east China’s Jiangsu Province, Dec. 16, 2020. (Xinhua/Ji Chunpeng)
Policemen introduce knowledge about high-speed railway trains at a kindergarten during an activity to help enhance children’s traffic safety and self-protection awareness in Nanjing, east China’s Jiangsu Province, Dec. 16, 2020. (Xinhua/Ji Chunpeng)
A policeman introduces a police gadget to children at a kindergarten during an activity to help enhance children’s traffic safety and self-protection awareness in Nanjing, east China’s Jiangsu Province, Dec. 16, 2020. (Xinhua/Ji Chunpeng)
Policemen explain passenger safety knowledge to children at a kindergarten during an activity to help enhance children’s traffic safety and self-protection awareness in Nanjing, east China’s Jiangsu Province, Dec. 16, 2020. (Xinhua/Ji Chunpeng)