The wrestling competition (Bökh) is an ancient traditional sports event that has a history of nearly 2,000 years. Xilingol in Inner Mongolia features a natural grassland with the most complete native vegetation preservation in the world, with a total area of 203,000 square kilometers, 1,248 wild seed plant species, 158 excellent forage species. It has been listed by UNESCO as an "International Biosphere Reserve", which serves as an important ecological barrier in North China to prevent desertification.