Well, it was something that the Tigris and Euphrates River dumped to, and was also called that because it was shaped like a crescent. it was I think egyptians used.
The second image, titled, “Nautilus, 1927” illustrates how a lack of texture enhances the illusion of an objects smooth surface on the two-dimensional print. Using rather flat lighting enhances the affect by filling in any local texture. This reduces contrast changes even more.
D. Italy. Leonardo and Michealangelo are examples of great renaissance artists from Italy
There were actually several building techniques that were introduced by the Romans, but perhaps the most important was the bridge building technique that allowed bridges to be built without supports.