简介:In the early morning, the four people got up early and headed to the upper reaches of the Qinglong River. Dong Chaofu judged that if the Mongols made a big move, both men and horses would have to drink water. The Qinglong River was a place they could not avoid. As long as they went up the Qinglong River, they could You roughly know what the Mongols’ big move is for?