Chinese and Italian police officers patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
Chinese police officers talk with tourists at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
Chinese police officers and Italian police officers patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
A Chinese police officer talks with Italian police officers during their joint patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
Tourists take a photo with Chinese and Italian police officers at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
A Chinese police officer and an Italian police officer patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
Chinese police officers and Italian police officers talk with tourists at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
A Chinese police officer and an Italian police officer patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
A Chinese police officer talks with an Italian police officer during their joint patrol at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
Chinese and Italian police officers pose for a photo at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)
A Chinese police officer and an Italian police officer talk with an Italian woman at Piazza di Spagna of Rome, Italy, on June 5, 2017. A joint policing project between China and Italy was presented Monday in Rome's historic Piazza di Spagna. A group of 10 uniformed Chinese officers will be patrolling busy tourist areas in Rome, Florence, Naples, and Milan jointly with their Italian colleagues for the next 20 days. (Xinhua/Jin Yu)