Perpetually snow-capped and dormant since 1877, Llullaillaco is one of the tallest volcanoes in the world. Towering above the border of Chile and Argentina, it is also one of the highest peaks in the Western Hemisphere and was once the site of human sacrifices. The mummified, well-preserved bodies of three Inca children were found on Llullaillaco in 1999. They are believed to have been drugged and abandoned at the summit more than 500 years ago. What force of nature damaged one of the mummies? Discuss