Which is a prefecture-level city, Fushun or Wanzhou District?
Wanzhou District Wanzhou District () is a city on the upper reaches of the Three Gorges of the Yangtze River in China. It is currently governed as a district of Chongqing Municipality, bordering Sichuan to the northwest and Hubei to the southeast. It was formerly known as Wanxian or Wan County (). Prior to Chongqing's formation as a direct-controlled municipality, Wanzhou was part of Sichuan province. The urban core of Wanzhou is 228 km away from Chongqing's city proper.
Lanzhou Lanzhou is the capital and largest city of Gansu Province in Northwest China. The prefecture-level city, located on the banks of the Yellow River, is a key regional transportation hub, connecting areas further west by rail to the eastern half of the country. Historically, it has been a major link on the Northern Silk Road. The city is also a center for heavy industry and petrochemical industry. Lanzhou was previously ranked as one of the cities with the worst air quality in the world, due to industrial pollution and its situation in a narrow river valley. Significant recent earthworks, removing parts of the sand and soil mountains surrounding the city, have succeeded in ventilating the city and allowing the displacement of air pollution. In 2015 the city was awarded China's climate progress title.