Flying buttresses act the same way ancient Roman columns did, countering the horizontal force of the arch. They also provide for more ground area underneath: more worshippers could fit into a church ...

A central basin lined with travertine blocks and a courtyard surrounded by shops are among the architectural features ... which engulfed the entire Roman Forum district. This article was written ...

and Roman aqueducts exemplify Roman ingenuity in using materials like concrete and implementing advanced techniques, such as the arch and the vault, which ensured durability and efficiency in ...