Southern Patagonian Ice Field in the area, among which are the Upsala (765 km), Viedma (978 km) and Perito Moreno (258 km) in the Los Glaciares National Park in Argentina, and the Pío XI Glacier or Bruggen Glacier (1,265 km, the largest in area and longest in the southern hemisphere outside of Antarctica), O'Higgins (820 km), Grey (270 km) and Tyndall (331 km) in Chile. The glaciers going to the west flow into the fjords of the Patagonian channels of the Pacific Ocean; those going to the East flow into the Patagonian lakes Viedma and Argentino, and eventually, through the rivers "de la Leona"
Lost in the Desert 3) and Chopin's Polonaise no. 6 in A-flat major, op. 53 ("Polonaise héroïque") almost become "de facto" themes for the film. Some of the climactic portions of the Liebestraum form a sweeping sonic backdrop to early scenes in the desert (before the crash landing), showing a lunch stop in the empty desert and then taking off and resuming the flight. There is a striking and emotionally intense scene in which Dirkie's father is practising the Polonaise at home and his worry about Dirkie causes him to have a sudden emotional breakdown, in which he interrupts his playing by hitting the