view of the stone walls of the old ancient crusader castle in the historic city of byblos. the city is a unesco world heritage

tourism travel unesko day summer phoenician jubayl gibelet civilization biblos exterior crusader medieval fortification wall building crusaders arabic lebanese attraction ruins arab castle city destination historical jbeil byblos lebanon landmark citadel architecture historic middle old history ancient archaeological stone mediterranean fortress site culture fort view walls unesco world heritage byblos site lebanon