Chapter 667 Xianbei’s Past

Han Fei felt that when he came down the stairs just now, it was at least about 10 floors high. It is conceivable that these 10 floors are still underground.

How much would it cost to drill so deeply? Even with modern technology, it would be difficult. It might require tools.

But in ancient times, there were not so many excavators, or this and that, but they were still able to build such a huge project. You can imagine how difficult it was.

Generally speaking, a tomb cannot be built without the accumulation of human lives, which means that when the project is about to be completed, living sacrifices will be used.

It is to sacrifice some living people to this ancient tomb, so that the ancient tomb will not collapse. For example, when Qin Shihuang was building the Great Wall, the Great Wall could not be built no matter what.

It would collapse every time no matter what method was used. Later, a mountain man found Qin Shihuang and told him a method, w