Question: Which city in China,  Qingzhen or Guang'an, is the more specific location in terms of the hierarchy of Chinese infrastructure?
Sentence (from "Guang'an"): Guang'an lies between the hills of central Sichuan and the gorges area of the east.Guang'an is the only "Sichuan Chongqing Cooperation Demonstration Zone" in Sichuan and the nearest prefecture level city from the main city of Chongqing.
Relevant evidence: No