Description: When past and present embrace. The citadel stands as a witness to relate stories about many civilization that Bosra hugs through its historic periods, culture put most of its art and creation in stones to create a marvelous art narrates the story of these culture, however Bosra counts one of the most important citadel that existing in the world. It is composed of three towers, the southern, the eastern and the western which border on the outer walls of the theater, moreover, these towers linked to all entrances and exits of the theater, as the citadels contains one of the most important theater that existing in the world. The citadel is surrounded with a trench that full of water used for military purposes. At last, the entry to citadel is done by a moving wooden bridge leans on five arches to move it at need.