The Colonnade Street runs through the center of Petra, with many unexcavated sites on either side. The Colonnade Street is in ruins, badly damaged by frequent flash floods in the last thousand years. Today dams protect the city of Petra from flooding, and it is possible to walk down the ancient flagstones once again. Looking through the triumphal arch on the Colonnade Street towards the Palace Tomb on the far side of the valley. Triumphal Arch Reconstruction Yes, there are also camels to ride in Petra. Camels rides usually travel between the Treasury and the restaurant in the center of the city. A reconstruction of the Colonnade Street.