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

Combo photo shows a newly-built skating rink at the foot of the Baota Mountain in Yan'an, northwest China's Shaanxi Province on Dec. 16, 1981 (top, file photo) and a stadium at the foot of the Baota Mountain in Yan'an on May 5, 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)