The Lima Holes

Of all the ancient cultures in South America, perhaps the most mysterious are those found in and around the rugged mountains of Peru. The area is such a harsh environment, with steep inclines, temperature extremes and a scarcity of water to sustain crops or man, that it is a puzzle why ancient cultures settled here. But settle they did, often building large living centers from stone at very high altitudes where low atmospheric pressure makes even walking a breathless task. Continue.