Qujing is a prefecture-level city in the east of Yunnan province, China, bordering Guizhou province to the north and east and the Guangxi Zhuang Autonomous Region to the south; thus, it was called "Key between Yunnan and Guizhou" (滇黔锁钥) and "Throat of Yunnan" (云南咽喉) in the past. It is part of the Central Yunnan Metropolitan Region plan (滇中城市群规划) in effect for 2016–49. Its administrative population…