The city is built upon arches, which are hollow below. The streets are straight, and some of them are of such extent that the eye cannot overlook them at once; that which runs from the Rosetta to the sea-gate is a full mile in length. The port of Alexandria is formed partly by a pier, which extends a mile into the sea. Here is also a high tower, called lighthouse, in Arabic, Minar of Alexandria, on the summit of which was placed a glass mirror. All vessels which approached with hostile intentions, from Greece and from the western side, could be observed at fifty days' distance by means of this glass mirror, and precautions were taken against them. Many years after the death of Alexander there arrived a Grecian vessel commanded by a man of the name of Theodoros, who was extremely cunning. The Grecians were subject to the Egyptians at the time, and the above-named shipper brought a valuable present to the king of Egypt, consisting of silver, gold, and silk garments. He rode at anchor in view of the mirror, the customary station of all merchantmen who arrived, and the keeper of the lighthouse, as well as his servants, were invited every day by him, until they became very intimate and paid one another frequent visits. Upon a certain day the keeper and all his servants were invited to a sumptuous meal, and were plied so much with wine that both he and his servants became drunk and fell into a sound sleep. This opportunity was seized by the shipper and his crew to break the mirror, after which exploit they left the port the same night. From that time the Christians began to visit Alexandria with small and large vessels, and took the large island of Crete, as well as Cyprus, which are in possession of the Greeks unto this day; and the Egyptians have not been able to withstand the Greeks ever since[276]. The lighthouse is still a mark to all seafaring men. It is observed at the distance of one hundred miles by day, and at night bears a light which serves as a guide to all mariners. The city is very mercantile, and affords an excellent market to all nations. People from all Christian kingdoms resort to Alexandria, from Valentia, Tuscany, Lombardy, Apulia, Amalfi, Sicilia, Rakuvia, Catalonia, Spain, Roussillon, Germany, Saxony, Denmark, England, Flandres, Hainault, Normandy, France, Poitou, Anjou, Burgundy, Mediana, Provence, Genoa, Pisa, Gascony, Arragon, and Navarre. From the west you meet Mohammedans from Andalusia, Algarve, Africa, and Arabia, as well as from the countries towards India, Savila, Abyssinia, Nubia, Yemen, Mesopotamia, and Syria, besides Greeks and Turks[277]. From India they import all sorts of spices, which are bought by Christian merchants. The city is full of bustle, and every nation has its own fonteccho (or hostelry) there.