Yanji city, Jingyu county, Jiangyuan district in Baishan city, and Changbai Korean autonomous county – all located in Northeast China's Jilin province – have been selected as provincial-level ecological counties, cities and districts by the provincial department of ecology and the environment.

Jilin province has so far confirmed seven national ecological construction demonstration zones and 18 provincial-level ecological counties.

Jiangyuan district in Baishan city is rich in mountain spring water and mineral water resources, with forest coverage of 72.7 percent and an average negative oxygen ion content of about 20,000. It is known as a "natural oxygen bar". [Photo/Baishan Release]

Jingyu county in Baishan city boasts an enchanting environment. Last year, the county ranked first in Baishan in terms of the number of days with excellent air quality. [Photo/Baishan Release]

Changbai Korean autonomous county in Northeast China's Jilin province was selected among the 56 natural oxygen bars in China. It was the only place in Jilin province to win the honor. The county was rated as one of the most beautiful destinations in China for car travel. [Photo/Baishan Release]

Yanji city is located in the east of Jilin province, in the hinterland of the Changbai Mountains, with high forest coverage and rich animal and plant resources. [Photo/Baishan Release]