西行漫记
In his "Red Star Over China", Edgar Snow mentions visiting the small towns of Yuwang Bao and Yuwang (, ) located in today's Tongxin County. At the moment (summer/fall 1936), Yuwang Bao was the location of the headquarters of the First Front Red Army, where Edgar Snow met with the army's commander, Peng Dehuai there. Edgar Snow described Yuwang Bao as follows: