Petra is a historical and archaeological site in southern Jordan. The area was inhabited as early as the seventh millennium BC. The Nabataeans settled here in the 4th century BC. They were nomadic Arabs, who from there controlled the trade routes with incense. They made Petra the capital of their kingdom. It lost his independence in 106 AD. when it was occupied by the Romans. Petra's importance gradually declined. It was rediscovered by J.L. Burckhardt in 1812. Access to the city is through a 1. [...]