Ancient skeleton bolsters theory that first Americans crossed Bering land bridge
NEW YORK — Thousands of years ago, a teenage girl toppled into a deep hole in a Mexican cave and died. Now, her skeleton and her DNA are bolstering the long-held theory that humans arrived in the Americas by way of a land bridge from Asia, scientists say.
The girl’s nearly complete skeleton was discovered by chance in 2007 by expert divers who were mapping water-filled caves north of the city of Tulum, in the eastern part of the Yucatan Peninsula. One day, they came across a huge chamber deep underground.
“The moment we entered inside, we knew it was an incredible place,” one of the divers, Alberto Nava, told reporters. “The floor disappeared under us and we could not see across to the other side.”
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