In this file photo taken on April 25, 2017, Chinese and Italian police officers talk with an Australian tourist at the Temple of Heaven in Beijing, capital of China. In 2014, China and Italy agreed to launch the joint patrol program during peak travel seasons. Since May 2016, China has sent three groups of police officers to patrol streets in Italy. Italian officers were first invited to the joint patrol in Beijing and Shanghai in April 2017. (Xinhua/Shen Hong)