The 15^th Dongchuan Debris Flow International Off-road Car Race started April 29 in Dongchuan District, central Yunnan’s Kunming City, and will last five days. Due to the unique valleys and river ways, the race is known for its distinct car racing track. Held for 15 years since its inception in 2004, it has become a calling card for Dongchuan, attracting many racers and tourists. This year, with a total of 860-kilometer-long tracks, the race attracted a participation of 68 cars and 136 racers. .