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)
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 Suzhou, east China's Jiangsu 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/Wang Jiankang)
