An ancient circular staircase goes down in the catacombs. In the end of IIe century, at the time of Kom el Shaqafa is a site d' hiding credits, the organizations were lowered by the cord in the well formed by l' staircase in spiral. L' staircase finishes at a platform d' landing, where two benches are carved in mural niches overarched by the reason for nut shell often finds in the traditional designs...