陕 ㄕㄢ ˇ shǎn 北 ㄅㄟ ˇ běi 陝 ㄕㄢ ˇ shǎn 北 ㄅㄟ ˇ běi Shanbei, northern Shaanxi province, including Yulin 榆林 and Yan'an 延安, a Holy Land of Mao's revolution 革命聖地|革命圣地