light blue in model B); and one with a diamond-shaped keystone (the Gothic arch, model C). Flying buttresses act the same way ancient Roman columns did, countering the horizontal force of the arch.

A powerful storm struck Rome recently, causing significant damage to the Arch of Constantine, an ancient Roman monument near ...

96.5 x 148.3 cm. (38 x 58.4 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

The Fabricius bridge is 62 metres long and 5.5 metres wide, with two main arches made of stone, travertine (a limestone rock) and tuff, a material widely used in Roman construction. What sets it ...