France dominated by domestic brands such as Renault (27% of cars sold in France in 2003), Peugeot (20.1%) and Citroën (13.5%). Over 70% of new cars sold in 2004 had diesel engines, far more than contained petrol or LPG engines. France possesses the Millau Viaduct, the world's tallest bridge, and has built many important bridges such as the Pont de Normandie. There are 464 airports in France. Charles de Gaulle Airport, located in the vicinity of Paris, is the largest and busiest airport in the country, handling the vast majority of popular and commercial traffic and connecting Paris with virtually all
France into their environment are large bridges; an example of the way this has been done is the Millau Viaduct. Some famous modern French architects include Jean Nouvel, Dominique Perrault, Christian de Portzamparc or Paul Andreu. The earliest French literature dates from the Middle Ages, when what is now known as modern France did not have a single, uniform language. There were several languages and dialects and writers used their own spelling and grammar. Some authors of French mediaeval texts are unknown, such as "Tristan and Iseult" and "Lancelot-Grail". Other authors are known, for example Chrétien de Troyes and Duke William