In this photo provided by the Chilean Air Force an air view of the Liberia-registered cruise ship Explorer that round aground in Antarctica with more than150 passemngers of various nationalities who were rescued by another cruise near Islan Rey Jorge in Antarctic territory, Chile, Friday, Nov. 23, 2007. (AP Photo/Fuerza Aerea de Chile)
In this photo provided by the Chile's Air Force, the Liberian-flagged Explorer cruise ship is seen sinking after it hit an object in Antarctic waters, Friday, Nov. 23, 2007, some 880 kilometers southeast of Ushuaia, the southernmost Argentine city. More than 150 passengers and crew took to lifeboats after the ship hit an object and began taking on water through a hole in the hull, naval and coast guard officials said. No injuries were reported. (AP Photo/Chile Air Force)
In this photo provided by the Chile's Navy, the Liberian-flagged Explorer cruise ship is seen sinking after it hit an object in Antarctic waters, Friday, Nov. 23, 2007, some 880 kilometers southeast of Ushuaia, the southernmost Argentine city. More than 150 passengers and crew took to lifeboats after the ship hit an object and began taking on water through a hole in the hull, naval and coast guard officials said. No injuries were reported. (AP Photo/Chile's Navy)
In this photo released by Chile's Navy a group of empty rafts after the boat run aground in Antarctica were more than150 passemngers of various nationalities who were rescued by another cruise near Islan Rey Jorge in Antarctic territory, Chile, Friday, Nov. 23, 2007. (AP Photo/Chile's Navy)
