Aerial view of Lingkongshan Town in N China's Shanxi

Photo taken on June 14, 2018 shows a national wetland park in Qinyuan County, north China's Shanxi Province. Having a forest coverage rate of 56.7 percent, the Qinyuan County, located in the east of Taiyue Mountain, has earned a fame of "natural oxygen bar". (Xinhua/Zhan Yan)