Aerial photo taken on Aug. 5, 2020 shows a China-Europe freight train carrying epidemic prevention supplies and other goods leaving for Duisburg of Germany at Chengdu International Railway Port in Chengdu, capital of southwest China's Sichuan Province. Chengdu has seen nearly 1,200 accumulative trips made by China-Europe freight trains from January to July this year, a year-on-year increase of 58.6 percent, according to the management committee of the Chengdu International Railway Port. (Xinhua/Liu Kun)