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super8worldtour
Ctesiphon - remains of the Sassanid Palace of the third century after Christ, with the largest arch in the world made of bricks without supports.
Ctesiphon was one of the main cities of ancient Mesopotamia, the capital of the first and sasanian arsacid empire then. It is supposed that in the 6th century it was the most populated city in the world.
l'arco più grande del mondo
the largest arch in the world
Ṭāq Kisrā - Ctesiphon - IRAQ - 1979 - تیسفون - 泰西封
![](https://i.ytimg.com/vi/BZ2Nwuz6ARw/maxresdefault.jpg)