Lost Pyramids of the Aztecs

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For centuries, archaeologists have been trying to understand the Aztec empire and reveal the truth about their origins. Now, new excavations could reveal astonishing secrets about how they lived and what life was like inside one of the greatest empires in history. Where did this group of nomadic people originate from? How did they undertake building their towering pyramids and other ambitious engineering feats using manpower alone? And how was such a powerful empire wiped out after just 200 years of power?