Floors could be seen in some places, they are either compact earthen soil or (most probably reused) mosaic floors and it seems clear that the Abbasid period architecture were constructed after the ...

It seems clear that the Abbasid period architecture was constructed after the 749 earthquake, while the ancient walls destruction [fallen- stones layers] were visible in many squares underneath ...

Courtyard of Ibn Tulun mosque in Cairo, Egypt. It was built in AD876 during the Abbasid dynasty. Muhammad later moved to the city of Medina and built a mosque (Islamic place of worship).