Hei-ch’eng, Salar pa-kun, Gansu, China (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano"Besides these Salar kiun there are five outer (wai) kiun: … Hei-ch’eng, …"
"Besides these Salar kiun there are five outer (wai) kiun: … Hei-ch’eng, …"