Prehistoric Human Footprints and Tracks Hint at a 22,000-Year-Old Transporting Tool
[html]Learn about the tracks and footprints at White Sands National Park in New Mexico, possibly representing the earliest evidence of human-made transportation technology.[/html]
Source: Prehistoric Human Footprints and Tracks Hint at a 22,000-Year-Old Transporting Tool (http://ht**://www.discovermagazine.c**/the-sciences/prehistoric-human-footprints-and-tracks-hint-at-a-22-000-year-old)