A Chinese police officer explains police equipment to Italian police officers in east China's Shanghai, June 26, 2019. Italian police officers on Monday began patrolling tourist sites in China, with their local counterparts, after a launching ceremony held in Beijing. The joint patrol, the third such exercise between Chinese and Italian police in China, will last until July 5 in four cities: Beijing, Shanghai, Chongqing and Guangzhou. (Xinhua/Fan Jun)