Arab House of Sciences Publishers Why: The Tunnels Are Round

Most homes are built in the beginning with deep pits in the ground, which are filled with liquid cement that quickly dries and coalesces. The rest of the house is built on top of this fixed base known as the pedestal, and the skyscrapers are called the pedestal. They are made of iron or cement, and the substrate for skyscrapers is the roots for trees. It prevents it from vibrating due to its exposure to gusty winds, and it also prevents it from sinking into the ground under the weight of it.