C299 The Method to Build a Dam

Dam building, Dam building, This was not a small ditch. Although the water in West River was small, But not just a few people can scoop it up. Wu Ya thought, "I should first cut off the water in West River. Or he would wait for the dry season, and then say that the West River was not paying attention. He would build the dam. But this was impossible. A muffled thunder came from the horizon