But more than nine shades are discovered on the walk to the heart of the mysterious city. Never mind the time it is made with the sun high or low, even the candlelight and stars, lights and shadows create a fantasy world and ghostly appearance radically changes just look back. In this "Siq" not so much discover the master channel that ran the water course, or driveway other Roman or even some relief figures that reflect the many camel caravans arrived here. What is really impressive is feeling enveloped by the magnitude of the rocks, by the reflections of the sun, the sparse vegetation that struggles to make a place among the stones. Everyone knows that at the end of the road is the jewel that have so often seen in pictures and movies, but do not hurry to arrive. Even if at the end of the long corridor there was nothing, and would have made up the trip.