![A stamp collector presents the special stamp set \](http://www.ecns.cn/hd/2018/08/27/1b3b7943ed514c68a221fe2a2129c6e8.jpg)
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 \](http://www.ecns.cn/hd/2018/08/27/a1aa235e9f5742e8b55281e067ab7e7a.jpg)
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 \](http://www.ecns.cn/hd/2018/08/27/e373c68350db43109b1f2cf604176941.jpg)
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)