Chapter 419: Strong walls and clear fields

Yunnan Provincial Administration. In the southern part of Mengzi County, Lin'an Prefecture, the road stretched along the hillside. Looking back, people could not see towering mountains, but extremely wide and long gentle slopes undulating between heaven and earth. The surroundings were barren, with only weeds and gravel in sight. Except for the endless military food carts, there was no sign of human habitation. Suddenly, a loud shout came from the hillside, "Enemy cavalry is attacking!"