However, during the Crusades, the Wuayra Castle was built inside Petra on the road to Beidha ... meant at providing energy apparently for the mechanical needs of the building yard," said Professor ...

Source: Visit Petra The Sharaan by Jean Nouvel Resort will be built in AlUla, an ancient site 350 miles south of Petra that is home to over 100 UNESCO-recognized sandstone Nabatean buildings ...