C454

"Didn't you say that there's a huge maze down there? If that was the case, then where was the soil that was dug out? With this steep rectangular valley, where was the mudstone? Carry away? Isn't it the best way to put them up there? For a steep slope like this, other than the two of us accidentally falling from a high place, who would take the risk to come here and play? " Chen Sisi still did not