Thirty-thousand soldiers vs. 400,000 enemies. Surrounded by steep mountains and roaring rivers with no path forward, how did the Red Army pull off one of the most brilliant tactical victories in military history?

In 1935, along the rugged waters of southwest China's Guizhou Province, the Chishui River witnessed four crucial crossings that changed the course of Chinese history. Ninety years later, we stand by the same river, where ancient crossing sites now meet modern engineering wonders like the Huajiang Grand Canyon Bridge.

Follow CGTN digital reporter Peng An as we retrace the legendary steps along the Chishui River.