Special stamp set 'Yangtze River Economic Belt' released

Photo taken on Aug. 26, 2018 shows the special stamp set "Yangtze River Economic Belt" in Zaozhuang, east China's Shandong Province. China Post released a set of special stamps on the theme of development achievements of Yangtze River Economic Belt on Sunday. (Xinhua/Sun Zhongzhe)

A stamp collector presents the special stamp set "Yangtze River Economic Belt" in Huainan, east China's Anhui Province, Aug. 26, 2018. China Post released a set of special stamps on the theme of development achievements of Yangtze River Economic Belt on Sunday. (Xinhua/Chen Bin)