红古 Traditional form: 紅古 Pinyin (reading): Hónggǔ Definitions: Honggu District of Lanzhou City 蘭州市/兰州市 ( Lánzhōu Shì), Gansu Characters: 红 - red, vermillion; to blush, to flush; popular 古 - old, classic, ancient Traditional characters: 紅 - red, vermillion; to blush, to flush; popular 古 - old, classic, ancient