Petra is a desert city of Jordan, which has been included in the new 7 Wonders of the World. Among the sands of Arabia there are interesting rock formations and temples built by the Nabatean Kingdom. To this day, survived structures carved in rocks, as well as theaters, religious altars on top of the mountains, and streets perfected by the Romans. Petra is not just one temple known from the Indiana Jones series, but an ancient city in the desert, which was full of life and it had commercial significance.