Fossilized footprints discovered in New Mexico indicate that early humans were walking across North America around 23,000 years ago.
The first footprints were found in a dry lake bed in White Sands National Park in 2009.
About
White Sands National Park is an American national park located in the state of New Mexico. The park covers 589.9 km2 in the Tularosa Basin, including the southern 41% of the white sand dunes composed of gypsum crystals.
This gypsum dunefield is the largest of its kind on Earth.
