Arches played a big part in the Roman archetecture
Arches were usede to make aquaducts.Arches were put in rows of arcades.Two kinds of arches are groin vaults and barrel vaults.Arches also made domes.
Arches n the colosseum
Vaulted arches were used in the colosseum vaulted arches are stronger than normal arches.
Roman arches date back to the Cloaca Maxima time.Almost all of the archetecture in Rome had arches included.