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Archaeologists Found 'Ghost Footprints' From 10,000 Years Ago

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Archaeologists found "ghost footprints" in the Utah desert salt field. 

Because the tracks only appear after rain, they are called "ghost footprints". The prints disappear as soon as the soil dries.

Live Science reported that scientists came across the prints while driving to Hill Air Force Base, Utah's Great Salt Lake Desert.

Although they initially found only a few footprints, an extensive investigation using ground-penetrating radars (GPR) revealed that the prints belonged at least to 88 men and women of different ages.

According to the site's cultural resource manager, these prints are 10,000 years old. 

The cultural resource manager of the site Anya Kitterman said it was a once-in-a-lifetime-find.

According to researchers, the prints date back to when the desert was still a wetland. Sand quickly filled them. 

The images are likely to have been left behind by people walking in shallow water.

Daron Duke, the lead researcher, said that "under the sand was an underlying layer of mud which kept the print intact after filling."

A team from another location found evidence of a camp belonging to hunter-gatherer hunters from around 12,000 years ago, 

Just a mile from the site where the footprints were found. These tracks could be theirs.