Amateur archaeologists excavating a Bronze Age site in the United Kingdom have discovered a cache of unusual stone tools unlike any that have been found before.
The tools appear to have been deposited deliberately — perhaps ceremonially — in what would have been a stream around 4,500 years ago, according to the researchers.
livescience.com/60606-stone-tools-unearthed-at-bronze-age-site.html
Thanks to Stone Pages for this information.