Colonnade the Pantheon in Rome or the stoae of Ancient Greece. When the intercolumniation is alternately wide and narrow, a colonnade may be termed araeosystyle (Gr. αραιος, "widely spaced", and συστυλος, "with columns set close together"), as in the case of the western porch of St Paul's Cathedral and the east front of the Louvre by Perrault. Colonnades have been built since ancient times and interpretations of the classical model have continued through to modern times, and Neoclassical styles remained popular for centuries. At the British Museum, for example, porticos are continued along the front as a colonnade. The porch of
Great Colonnade at Apamea of the second century the city was completely rebuilt, starting with the Great Colonnade. The colonnade was aligned along the north-south axis, making up the city's "cardo maximus" under the Romans. Starting at the city's north gate, the colonnade ran in an uninterrupted straight line for almost to the south gate. The northern third of the colonnade's stretch is marked by a monumental votive column that stood opposite the baths. The southern third, at around , is marked by the intersection with the city's main east-west axis, or the "decumanus maximus". Two triple arches were built into the Great Colonnade