![BBC](https://i0.wp.com/blog.chasclifton.com/wp-content/uploads/2014/12/79873614_798736131.jpg?resize=547%2C220&ssl=1)
How will the archaeologists of the future explain how barrow (also known as as tumulus) building stopped in the Neolithic — and then resumed, 5,500 years later?
We know this one was built on a solar alignment, because the BBC tells us so.
See the barrow under construction here. And yes, dead people.