portico of octavia, via del portico d'ottavia, rome, italy

portico octavia del d39aph39ottavia rome italy ancient roman architecture younger historic landmark public space temples restoration archaeological site ruins marketplace forum boarium history classical urban design hellenistic influence theaters cultural heritage historical significance monumental columns temple jupiter stator della reginella civil engineering festivals gatherings relics piazza venezia porticos forums iconic landmarks buildings italian architectural archaeology complex attractions preservation features spaces dei porticus octaviae structure colonnaded enclosed juno regina library fish market medieval period 19th century adjacent marcellus theatre