Aerial view of Qasr al-Farid, the largest tomb within Site of Hegra (Madain Salih), UNESCO, in the area of AlUla, Medina Province, Saudi Arabia

hegra madain salih unesco alula saudi arabia desert tomb archaeology historical site ancient sandstone rock formation heritage culture aerial view landscape tourism travel exploration monument architecture civilization preservation natural beauty history desertscape ruins tombs geological vastness scenery archaeological kingdom region sunlit texture shadows landmark cultural eastern intricate carvings tribute nature