"La Defense", whose lines can be followed to the Arc de Triomphe, along the Champs-elysees to the obelisk on Place de la Concorde, over the Tuileries gardens to the Louvre's Cour Carree, assuming that the weather is clear and the air free of polluting tumes. Whose lines can be followed to the Arc de Triomphe, along the Champs-elysees to the obelisk on Place de la Concorde, over the Tuileries gardens to the Louvre's Cour Carree, assuming that the weather is clear and the air free of polluting fumes.