Dameng International Mine Endurance Race, one of the most difficult motocross races in the world, kicked off in Daxin County in south China's Guangxi Zhuang Autonomous Region on Saturday, with 267 racers from around the globe. The two-day race was divided into several groups and drivers were tasked with passing through obstacles such as rows of tires and piles of rocks. The unique terrain challenges both the driving skills and psychological fortitude of the drivers.