The 26,000-Year Astronomical Monument Hidden in Plain Sight

2 pointsby worldvoyageurover 6 years ago

1 comment

DerekLover 6 years ago

This was previously posted on another site.<p><a href="https://news.ycombinator.com/item?id=19032035" rel="nofollow">https://news.ycombinator.com/item?id=19032035</a>