Demonstration of some parts of the Opera brick, which builds the Pantheon , by giovanni battista piranesi , design , Neoclassicism style , instruments and mechanisms, Rome, architectural drawings, Pantheon
A black and white drawing of a spiral staircase.
A black and white picture is on a white paper. There is a picture on the right side of the paper. The picture has a large metal structure on it. There are stairs on the side of a building. 