The origins of the Roman triumphal arch are unclear. It had a portico with classical columns resembling a triumphal arch. Remains of a triumphal arch at Petra. The Arch of Janus is the only quadrifrons triumphal arch preserved in Rome. The temple is associated with a triumphal arch over the road. The house had an immense porte-cochere in the form of a pillared triumphal arch. At the eastern side there is a street which passes under a triumphal arch. Marble Arch is a 19th-century white marble-faced triumphal arch in London, England. The main entrance emphasized the portico, which resembled a triumphal arch. The central window resembles a triumphal arch. The Gothic crucifix under the triumphal arch dated 1518 is ascribed to Andreas Lackner. It is named after the triumphal arch in Bucharest. The development of the triumphal arch is often associated with ancient Roman architecture. They are installed in public buildings like the triumphal arch, city gate, and thermae. The fountain is placed in a triumphal arch between the stairways.