The Perito Moreno Glacier, located in the Santa Cruz Province in Argentina, is the third largest reserve of fresh water in the world. /CFP Photo

The 250-square-kilometer ice formation stretches about 30 kilometers between mountains, which has been declared a world heritage site by UNESCO. /CFP Photo

Most glaciers worldwide are melting, while the impressive Perito Moreno Glacier is actually growing about 30 centimeters every day. /CFP Photo