To build a wall is to build a wall of earth. The story uses the traditional farming activity of "wall-breaking" as a clue to show the hard life of a family living in Shibangou. On a stormy night, the father fought against the hail to protect the newly built mud house; the father adopted a girl as a replacement, but ultimately lost her. As times changed, Shibangou was lacking resources, so he decided to move after everyone's persuasion. In Shicun, my father rebuilt his home and built a house again...