Architecture and engineering Roman Empire
amphitheatres of roman empire construction on flavian amphitheatre, more commonly known colosseum, began during reign of vespasian the chief roman contributions architecture arch, vault , dome. after more 2,000 years roman structures still stand, due in part sophisticated methods of making cements , concrete. roman roads considered advanced roads built until 19th century. system of roadways facilitated military policing, communications, , trade. roads resistant floods , other environmental hazards. after collapse of central government, roads remained usable more thousand years. roman bridges among first large , lasting bridges, built stone arch basic structure. utilized concrete well. largest roman bridge trajan s bridge on lower danube, constructed apollodorus of damascus, remained on millennium longest bridge have been built both in terms of overall span , length. the romans built many dams , reservoirs water collection, such subiaco dams, 2 of fed anio novus, 1 of largest aqueducts ...