Great Colonnade at Apamea as part of the intersection. The colonnade was further intersected by side streets at regular intervals of . The colonnade passed through the center of the city and several important buildings were clustered around it, including the baths, the agora, the Temple of Tyche, the nymphaeum, the rotunda, the atrium church and the basilica. The street within the colonnade was wide and paved with large polygonal limestone blocks. On either side of the street a wide colonnade ran its full length. The columns were high and in diameter. They stood on square bases of on a side and high. The
Society of Architectural Historians of Architectural Historians". The name was shortened to its current form a decade later. SAH is currently the largest academic organization in the field of architectural history in the US. As part of its mission to "advance knowledge and understanding of the history of architecture, design, landscape, and urbanism worldwide", the Society publishes several works, most noticeably the "Buildings of the United States" series, as well as a newsletter and the "Journal of the Society of Architectural Historians" (). In addition, in association with the University of Virginia, the Society is developing an online encyclopedia of architecture called SAH Archipedia.