fossilized human footprints

Fossilized Footprints From 21,000 Years Ago Fuels New Speculation When Humans Arrived in the Americas

Medicine & Technology Sep 24, 2021

Scientists have found a set of fossilized human footprints in White Sands National Park that dates back between 21,000 to 23,000 years ago when massive ice sheets are believed to have blocked migration into North and South America.

fossilized human footprints

Fossilized Footprints From 21,000 Years Ago Fuels New Speculation When Humans Arrived in the Americas

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