CHINA-SICHUAN-YANGTZE RIVER-CHANGE (CN)

(230713) -- CHENGDU, July 13, 2023 (Xinhua) -- The above part of this combination photo shows the Laoyingqiu sewage pipeline (file photo) before renovation in Luzhou, southwest China's Sichuan Province. The lower part taken by Xinhua photographer Xu Bingjie on June 1, 2023 shows the sewage pipeline after renovation. In the past decade, Yibin and Luzhou of southwest China's Sichuan Province have made great efforts in improving ecological environment of the Yangtze River. (Xinhua)