Baiyin, Wuwei and Qingyang in Gansu, which of these three cities is the best?

Qingyang has oil, silver has coal, Qingyang people think Qingyang is very good, and silver people think silver is very good; Wuwei is an agricultural city, and now it is developing very hard, but the house price is said to be more than 5,000, which is the case everywhere. Water shortage (resource water shortage, non-engineering water shortage) in Shiyang River Basin of Wuwei. Of course, Wuwei people think Wuwei is good! In fact, everyone still likes to get together in the provincial capital (Lanzhou)!