Armed policemen wearing camouflage coats take aim amid chilly weather during an anti-terrorism drill in Yinchuan, northwest Ningxia Hui Autonomous Region January 4, 2007. The maneuver was aimed at enhancing the unit's bad-weather-tackling, high-technology utilization and emergency response capabilities.

An armed policeman places facilities as the other two take aim.

An armed policeman wearing camouflage coats exercises the microwave transmission.