the ruins of the central city - fortress of the nabateans - avdat, between petra and the port of gaza on the trade route called

abandoned ancient antique arch archaeology architecture avdat beauty blue building byzantine castle city cliff column culture desert east famous fort fortress gate heritage hill historic israel landmark landscape monument mountain nabataean nabatean national nature negev old outdoor park rock ruin sandstone scenic sky stone temple tourism travel unesco valley wall ruins central nabateans petra port gaza trade route called incense road southern