entrance to the ancient nabataean tomb of lihyan, son of kuza carved in rock, mada'in salih, hegra, saudi arabia

jabal kuza lihyan nabataean al ula alula ancient antique arab arabia arabian arabic archeology architecture carved castle cave civilization culture desert east forgotten grave hegra heritage history ksa lonely madain middle monument nabatean old rock ruins salih sandstone saudi saudian son stone temple tomb tourist unesco entrance