Whitewater rapids on the Rio Paine below Lake Nordenskjold. The Cuernos del Paine, or the Horns, loom in the background as first light of dawn spotlights the face of Cuerno Principal . Torres del Paine National Park, Patagonia, Chile. A UNESCO World Biosphere Reserve. A very slow camera shutter speed of 1/20 second gives the water a smooth, silky look.