Zhonghe Mingtu Art Training Center, Gaolan Artistic Dance Training Center and Gaolan Shan Zhi Art Training Center. The list of art training institutions in Gaolan includes Zhonghe Mingtu Art Training Center, Gaolan Artistic Dance Training Center and Gaolan Shan Zhi Art Training Center. Gaolan County belongs to Lanzhou City, located in the middle of Gansu Province, on the upper reaches of the Yellow River.