Flying to Calafate, we had our first glimpse of glacial milk, greenish-blue opaque water that resembles some kind of artificial colouring-laden icing. It's somewhat healthier, however; this shade is a result of mineral input from the glaciers. We later discovered that the "milk" has even spawned an ice-cream flavour in a convincing turquoise hue. But enough about ice-cream for the moment and back to the natural wonders of Patagonia. The town of Calafate is a handy base for visiting the southern part of the Parque Nacional Los Glaciares. Located on the Lago Argentino, the third largest lake in all of South America, the park is home to the Upsala, Spegazzini, Agassiz, Onelli and Perito Moreno glaciers, amongst others. Boat trips allow you to get up close to the glaciers and freeze your bits off on deck
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