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Construction work at a new airport close to Mexico City has led to the unearthing of the remains of over 100 mammoths, the ancient cousins of today's elephants.
Experts are working under the assumption that the ancient lake which lay on the site of the proposed airport drew the mammoths to water, and they became stuck in the lake bed mud.
The remains of camels, horses, bison, birds, antelopes and fish, all of which are between 10,000 and 25,000 years old, have also been exposed at the site.
Archaeologists are now overseeing the site excavations in order to ensure the development proceeds smoothly while safeguarding the historically significant finds contained in the area.
Having already found evidence that early homo sapiens crafted mammoth bones into tools, archaeologists hope that the find will lay to rest the mystery of why these behemoths became extinct.
