Ancient Footprints Suggest Humans May Have Worn Shoes 148,000 Years Ago

https://www.iflscience.com/ancient-footprints-suggest-humans-may-have-worn-shoes-148000-years-ago-70493

There is so much more that remains unknown.

https://www.gaia.com/video/out-place-artifacts-anomalies

https://www.goodreads.com/book/show/89568161-the-encyclopedia-of-out-of-place-artifacts

https://www.ancient-origins.net/unexplained-phenomena/out-place-artifacts-020544

https://www.goodreads.com/book/show/123523688-out-of-place-artifact