Baihuashan National Nature Reserve, located in Qingshui Town, Mentougou District, Beijing, covers a total area of 21,743.1 hectares.Founded in 1985, the protected area was upgraded into a national nature reserve in 2008. It belongs to the type of forest ecosystem protection. It mainly protects the secondary leaf forest ecosystem of the warm and temperate North China stone mountains, as well as rare protection of animals and its population.During the Chinese National Day holiday this week, many tourists came to Baihua Mountain to climb and enjoy the autumn scenery.The picture shows the autumn scenery of the Baihuashan National Nature Reserve on October 2.(Xinhua News Agency)