Line conventions............lines can only be thick or thin. Thick is 0.6mm and thin is 0.3mm.
Some removed rocks from the interior while others the exterior
In 550 B.C.E. Cyrus the Great, the leader of the Persians, conquered the Medes and united the Iranian people under one ruler for the first time. Cyrus became the first king of the PersianEmpire and went on to establish one of the largest empires in world.