The “ghost tracts” of the White Sands National Park was a rumor that started in 2005. At this New Mexico Park, during certain times of the year, when the ground was wet enough, ghostly footprints would appear, then disappear again when dry.
Ten years later scientists found the “ghost tracts” had been made by humans and are now recognized as some of the earliest identified ancient footprints in early North America. The evidence shows humans lived in North America 21,000-23,000 years ago, several thousand years earlier than previously thought.
This new discovery has provided archeologists with more knowledge as to where humans arrived, their ages, and behaviors.
Original Post by Tom Metcalfe/NBC News
Read More Here: https://www.nbcnews.com/science/science-news/fossil-footprints-show-humans-north-america-21000-years-ago-rcna2169
