arab man in front of tomb of lihyan, son of kuza carved in rock in the desert, mada'in salih, hegra

jabal kuza lihyan nabataean hijr ula alula ancient antique arab arabia arabian arabic archeology architecture carved castle cave civilization culture desert east forgotten formation geology hegra heritage history ksa landmark lonely man middle monument nabatean rock ruins saleh sandstone saudi saudian site son stone temple tomb unesco front mada' salih mada'