Cairo - Zeppelin over the Saladin Citadel. It offered a round trip to Egyptian clients from Almaza airport over the Sinai and around Jerusalem, flying some 400m above the ground.
📜 History of Saladin & the 3rd Crusade: Siege of Jerusalem - A king does not kill kings. After the battle at Hattin, Saladin had dealt a grievous blow to the Crusader states.