Baiyin (simplified Chinese: 白银; pinyin: Báiyín)'s a prefecture-level city in China's Gansu province. Population: 274,900 (2000) Geography and climate Baiyin's part loess plateau, part desert. Elevation ranges from 1275 to 3321 meters above sea-level. The climate's very arid with only 110-352 mm of annual precipitation. Annual evaporation's 2101 mm resulting in a net loss of approximately 1800 mm. The Yellow River flows from north to south for 214 kilometers through Baiyi… (More on Baiyin)