Archaeologists find 2,000 pieces of plastic at Iron Age site

Photos: Ancient finds
This is the second lower molar of a modern human found in Bacho Kiro Cave in Bulgaria that was associated with tools from Initial Upper Palaeolithic about 45,000 years ago.
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Photos: Ancient finds
This photo captures the Ewass Oldupa archeological site in the Oldupai Gorge, Tanzania. Stone tools that date back 2 million years ago were recently uncovered at the site.
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