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 Palmyra in a northwest-southeast direction towards the "propylaea" of the Temple of Bel. Work on the colonnade started after the completion of the "propylaea" in 175 CE and continued through the beginning of the third-century CE. This section is the widest of the Great Colonnade with a uniform width of for the main street and for the sidewalks. A corner of the "temenos" of the Temple of Nebu was demolished to allow the colonnade an uninterrupted line of sight towards the Monumental Arch from the west and a wider access to the section leading to the Temple of Bel. A "nymphaeum"