C1744 Let's Build Another Line of Defense

After some discussion with Ye Yun, Lin Sen asked for dozens more materials. Ren Xingyan naturally didn't say anything else. He used the fastest speed to allocate resources. They transported the materials over overnight. When the materials arrived... Lin Sen began his work. This was the first time. He fired at full force in front of the people, and each of them was more than five meters tall