Picking his way over the rocky canyon floor, he noted how the cavernous ... silk and incense arrived in Petra. Desert weary, they willingly paid their tolls, not only to enjoy the protection ...

The mysterious veil of the Treasury monument in Petra, Jordan ... was the center of a city hand-carved into the walls of a ...

Despite the extreme, arid conditions of the surrounding desert, with temperatures ... The city's location in a narrow canyon, known as Al Siq, added to the challenge. Petra's water infrastructure ...