What type of porch leading to the entrance of a building was used in an ancient structure in Rome?
Porticus Octaviae: The Porticus Octaviae (Portico of Octavia; Italian: "Portico di Ottavia" ) is an ancient structure in Rome. Portico: A portico (from Italian) is a porch leading to the entrance of a building, or extended as a colonnade, with a roof structure over a walkway, supported by columns or enclosed by walls.
Portico