How is the environment in Kuandian, Dandong, Shenyang?

Shenyang has many people and cars, inconvenient transportation, and bad air; Dandong is good, with convenient transportation, not too many people, and is accompanied by the Yalu River; Kuandian is better, with many tourist attractions and good transportation , there are mountains, water and rivers, the air quality is excellent, there are several 3-star hotels, several mid-range bathing facilities, and there are many residential buildings