This incredible footage shows Argentina's Nahuel Huapi Lake. It's been covered with ash from the ongoing eruption of the Puyehue Volcano, which is located more than 100 miles away, in Chile. The volcano has grounded flights all over the region. This is what the lake usually looks like:
More pictures here. In many photos, there are large areas of clear water, and it appears that the ash might get blown ashore (where it enriches the soil). But the eruption, though it's slowing, isn't over yet. (And no: scuba diving in all that ash is not particularly safe!)
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