1) La Rambla is a 1.2 km pedestrian avenue in downtown Barcelona that connects Catalonia Square and the Columbus Monument. 2) The tree-lined central promenade is crowded during the day and night with kiosks selling souvenirs, flowers, and performers. Notable sights include a mosaic by Joan Miró and the famous drinking fountain Font de Canaletes. 3) The origins of La Rambla as a watercourse are reflected in the rippling paving design of the central promenade.