Baku, October 21, AZERTAC Situated between the Red Sea and the Dead Sea and inhabited since prehistoric times, Petra - the rock-cut capital city of the Nabateans became during Hellenistic and Roman times a major caravan centre for the incense of Arabia, the silks of China and the spices of India, a crossroads between Arabia, Egypt and Syria-Phoenicia.This ancient city is located in a narrow gorge and was built by the Nabataeans more than 2000 years ago.Petra is half-built, half-carved into the rock, and is surrounded by mountains riddled with passages and gorges.It is one of the world's richest and largest archaeological sites set in a dominating red sandstone landscape.The Outstanding Universal Value of Petra resides in the vast extent of elaborate tomb and temple architecture; religious high places; the remnant channels, tunnels and diversion dams that combined with a vast network of cisterns and reservoirs which controlled and conserved seasonal rains, and the extensive archaeological remains including of copper mining, temples, churches and other public buildings. The fusion of Hellenistic architectural facades with traditional Nabataean rock-cut temple/tombs including the Khasneh, the Urn Tomb, the Palace Tomb, the Corinthian Tomb and the Deir ("monastery") represents a unique artistic achievement and an outstanding architectural ensemble of the first centuries BC to AD. The varied archaeological remains and architectural monuments from prehistoric times to the medieval periods bear exceptional testimony to the now lost civilisations which succeeded each other at the site.Excavations begun in 1993 revealed several more temples and monuments that provide insight into the political, social, and religious traditions of the ancient city. The ruins are vulnerable to floods and other natural phenomena, and increased tourist traffic has also damaged the monuments. Designated a UNESCO World Heritage site in 1985, the ancient city of Petra is also the famous setting of several scenes from the Hollywood blockbuster Indiana Jones and the Last Crusade.