Roman Arch
arch:style:roman_archSemicircular load-bearing arch; concrete (opus caementicium); aqueducts, triumphal arches, amphitheatres; Pont du Gard; structural revolution over Greek post-and-lintel.
Semicircular load-bearing arch; concrete (opus caementicium); aqueducts, triumphal arches, amphitheatres; Pont du Gard; structural revolution over Greek post-and-lintel.