A collection of 6,000-year-old skeletons have been discovered in Colombia that do not match any indigenous human population in the region.

Archaeologists believe the remains of hunter gatherers, discovered at theChecua site near the country’s capital of Bogotá, could shine a fresh light on human history.

Analysis of DNA of the 21 skeletons which date from 500 to 6,000 years ago has helped piece together how the unique genetic structure of the earliest beings to live in South America disappeared from later populations.

Seven of the specimans were from the Checua period, while nine were from the later Herrera period around 2,000 years ago. A further three remains dated from the Muisca period, around 1,200 to 500 years and the last two were around 530 years old and from the Guane populatio

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