Twilight of the Gods: The Mayan Calendar and the Return of the Extraterrestrials by Erich von Daniken
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Summary
High up in the Bolivian Andes—4,000 meters above sea level—lies Puma punku, an ancient ruined city that simply could never have been constructed by its Stone Age inhabitants."Something here really stinks to high heaven," writes Erich von Däniken.