KULTTUURIHISTORIAA PERUSTA
"The last time global warming came to the Andes it produced the Inca Empire. A team of English and U.S. scientists has analyzed pollen, seeds and isotopes in core samples taken from the deep mud of a small lake not far from Machu Picchu and their report says that "the success of the Inca was underpinned by a period of warming that lasted more than four centuries"
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