Retracing the Long March, CGTN's Yang Xinmeng and international military officers arrive in Zunyi, southwest China's Guizhou Province, and visit key sites of the Four Crossings of the Chishui River and Loushanguan.

Widely studied in military academies around the world, the campaign remains difficult to explain through conventional military logic. Standing by rivers and mountain passes, the officers explore how terrain, uncertainty and split-second decisions shaped one of the most remarkable turning points of the Long March.