Which one is more developed, Changsha or Qingdao?

Both cities are very developed.

1. Changsha City is the capital city of Hunan Province, also known as Star City. Located in the lower reaches of the Xiangjiang River, it is an important central city in the middle reaches of the Yangtze River, an important grain production base, an energy raw material base in China, an important central city in the middle reaches of the Yangtze River, and one of China's important inland wetlands.

2. Qingdao, also known as Daocheng, Qindao and Jiaoao, is a prefecture-level city, sub-provincial city, independent planned city, megacity under the jurisdiction of Shandong Province. It is an important coastal central city in China approved by the State Council. and coastal resort tourist cities and international port cities.