Pre-Inca people stomped salutes to their thunder god on a special dance floor
Roughly a century before the Inca empire came to power in A.D. 1400, blasts of human-produced thunder may have rumbled off a ridge high in the Andes Mountains. New evidence indicates that people who lived there around 700 years ago stomped rhythmically on a special dance floor that amplified their pounding into a thunderous boom…