Chinese and Italian police officers patrol a metro station in Guangzhou, capital of south China's Guangdong Province, 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/Huang Guobao)