A tractor clears snow on a highway in Hami, northwest China's Xinjiang Uygur Autonomous Region May 22. As a cold front rolled in from Siberia, the rain and snow hit Hami on Tuesday, and the temperature in partial area dropped by 15 degrees Celsius. A provincial road was closed for nearly five hours.

People try to move a car stranded in snow on the highway in Hami.

Workers clear snow on the highway.

A general view shows vehicles stranded in snow.

(Xinhua News Agency May 23, 2007)