Shoulder lights to make police more visible

Policemen wear their new shoulder lights at a ceremony to launch the use of the night lights in Southwest China's Chongqing on July 25, 2013. The shoulder lights are being used by the city’s police for the first time and will make policemen on patrol visible for 100 meters. Other public security guards will also be equipped with the lights, which can run for five days on two batteries. [Photo/CFP]