Great Colonnade at Apamea overhauled drainage system. Justinian's changes included erecting a monumental "tetrastylon" made up of four high columns with a meter-high capitals. The city, was however, later sacked by the Sasanians under Adarmahan. Great Colonnade at Apamea The Great Colonnade at Apamea was the main colonnaded avenue of the ancient city of Apamea in the Orontes River valley in northwestern Syria. It was built in the second century CE after Apamea's devastation in the 115 earthquake. The avenue, which runs for nearly , made up the city's north-south axis, or the "cardo maximus". The monumental colonnade is among the longest and most
I-5 Colonnade section featuring Cyclone and The Octagon Of Death, a rock jumble descent named the Waterfall, and Downhill/Freeride lines including The Offramp, Holy Chute, and Pips Hips. The I-5 Colonnade bike park has paved the way for other mountain bike facilities in the state of Washington and beyond. Using the available space under the I-5 freeway has been heralded as a highly innovative approach to bring mountain biking to the intercity environment. The park transformed the area from a drug infested encampment to a refuge for outdoor recreation. I-5 Colonnade I-5 Colonnade in Seattle, Washington, United States, is a city park