SWAT policemen took part in an anti-riot exercise in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region on Thursday. The exercise was held to improve security for the upcoming Spring Festival travel rush, which will undoubtedly add pressure on the country’s transport system, as well as increase potential security risks. (Photos Xinhua)

SWAT policemen on a drill in Yinchuan to ensure security for the Spring Festival travel rush