Chapter 618

Driven by curiosity, Alex walked to the hole in a daze.

After a close look, he learned that this inn was not built by the common solid brick. It was made of cement that was similar to the material used to reconcile mixed soil, which was commonly known as hollow brick. This kind of brick was rarely seen in the city, and generally used in the countryside. Its hardness might not be as hard as the solid red brick, but one could imagine with one's toes how soft the brick that could be used to build