epa01406646 General view of the ice crumbled due to a crack generated by the pressure of water at a natural Dyke in Perito Moreno?s glacier between ‘Brazo Rico’ and Argentinean Lake in the Glacier National Park of Santa Cruz province in the Argentinean Patagonia, on 06 July 2008. The Dyke divides the lake in two and shows the perspective of the giant crumbling of ice that usually take place in summer seasons every four or five years, attracting thousands of tourists. EPA/Ariel Molina EPA/Ariel Molina