59 The Battle of Austerlitz, also known as the Battle of the Three Emperors, and also known as the Battle of Napoleon's Coronation. Austerlitz is the town near which this victory took place. The victory deserves beautiful remembrance by the French throughout the ages, so they supported it by building this bridge. Its two parts are named to commemorate and preserve the relics and the passage of years. Paris is about two farsakhs long and its width varies. At the aforementioned bridge, it is one hundred and sixty-six meters long, and its average water flow is twenty cubits per second, or twelve hundred per minute. The ground surface of Paris is two layers. The first is clay, and the second is mud. The water of the Seine River, after increasing, and its land is composed of different layers. The first layer is a sandy clay farm with a fever. The second is a mixture of clay and shells. The third is flint clay. The fourth is shell-bearing limestone. The fifth is a mixture of gravel and shells. The sixth is salt water. The seventh is clay mixed with gypsum. The eighth is chalk and open limestone. Then this city is adorned and surrounded by rows of trees arranged in parallel lines, never deviating from each other. Similarly, the road in Shubra, Abu Za'bal, and Jihad Abad are leafy in hot days, and passersby take shade from the sun. It is called a boulevard with a damma on the ba and sukun on the lam. External boulevards are found in Paris, like the city's ramparts, and internal boulevards within the city. The circumference of the external boulevards is more than five and a half farsakhs, and the number of boulevards in Paris is twenty-two. This city has several large open spaces called places, meaning squares, like Al-Rahmiliya Square in Cairo, in terms of mere size, not cleanliness. Their number is five. And there are thirty squares. This city has external gates, like Bab Al-Nasr in Cairo. There are fifty-eight gates. This city has four canals and three waterwheels that run.