Esteban


 * 1) How did the Romans create cement.
 * 1) How did the Romans create cement.

The Arch was used in the colosseum to allow people to move around to find seats.The people of Rome liked gladiator fights a lot so seats would run out fast!
 * 1) What was the arch used for

No.they dug it out .Then they sculpted it to turn it into statues,coloms,and used as matierial for houses.
 * 1) . Did the Romans create marble colom

Did the Roman use metal to make building.


 * Whats a vault?
 * A vault is a combination of arches.It is usually 4-way