Ctesiphone (where taghe kasra) is located, was one of the most important and beautiful cities of Persia. Being the administrative capital of the Sassanids, was one of the first cities to be destroyed and looted by the invading Arabs. The link below takes you to some sections of the publications ‘Payame Azadegan’ which was later closed. http://iranpoliticsclub.net/history/ctesiphone/
