Drivers race during an off-road vehicle invitational tournament in Dazhai town, Xiyang county, Shanxi province, Jan 11. The tournament was held from Jan 11 to 13 with more than 70 racers from Shanxi, Henan, Hebei, and Shaanxi provinces taking part. [Photo/Shanxi Daily]

A vehicle leaves a trail of dust as it speeds across sand during the off-road vehicle invitational tournament in Dazhai town, Xiyang county, Jan 11. [Photo/Shanxi Daily]