Great changes have taken place in China's former revolutionary base Yan'an

Combo photo shows people at the Xinhua Bookstore in Yan'an, northwest China's Shaanxi Province on Sept. 3, 1981 (top, file photo) and a girl reading books at the China Red Bookstore, formerly known as the Xinhua Bookstore, on May 8, 2019 (bottom, taken by Liu Xiao). Yan'an, a former revolutionary base of the Communist Party of China (CPC), is no longer labeled "poor," as its last two impoverished counties have shaken off poverty, the Shaanxi provincial government announced Tuesday. (Xinhua)