Baishan city is located in the heart of Changbai Mountains, with Yalu River and Songhua River passing through it. The city's forest coverage rate was recorded last year reaching 84.5 percent, ranking first among prefecture-level cities in the country. The proportion of days with good air throughout the year reached 98.1 percent and the city is now known as a "natural oxygen bar". [Video provided to gojilin.gov.cn]