西固 Traditional form: 西固 Pinyin (reading): Xīgù Definitions: Xigu District of Lanzhou City 蘭州市/兰州市 ( Lánzhōu Shì), Gansu Characters: 西 - west, western, westward 固 - to solidify; strength Traditional characters: 西 - west, western, westward 固 - to solidify; strength