Read MoreResearchers say the paintings in modern-day Colombia are believed to be about 12,000 years old.Researchers say the paintings in modern-day Colombia are believed to be about 12,000 years old.
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Read MoreResearchers say the paintings in modern-day Colombia are believed to be about 12,000 years old.Researchers say the paintings in modern-day Colombia are believed to be about 12,000 years old.