The White Giant, a huge glacier in Argentina, is putting on a spectacular ice show at the moment, as this video shows.
According to experts, the Perito Merino starts to shed ice every four years, causing giant pieces to tumble into the river below.
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The phenomenon, first recorded 100 years ago, is caused by pressure exerted by lake water that dams on one side of the ice barrier.
The glacier is one of Argentina's biggest tourist attractions, and tourists and locals have been flocking to the site, located in the city El Calafate in the Santa Cruz province.