Which city has a larger population, Yangzhou or Chengdu?
Yangzhou Yangzhou, formerly romanized as Yangchow, is a prefecture-level city in central Jiangsu Province, China. Sitting on the north bank of the Yangtze, it borders the provincial capital Nanjing to the southwest, Huai'an to the north, Yancheng to the northeast, Taizhou to the east, and Zhenjiang across the river to the south. Its population was 4,414,681 at the 2010 census and its urban area is home to 2,146,980 inhabitants, including three urban districts, currently in the agglomeration.
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.