Could some of them have been built beside these chalk streams due to their unique energy that seems to create such an amazing similar environment no matter where they are located?
Norfolk chalk rivers
Norfolk in England has a relatively large number of chalk rivers and the Norfolk Rivers Trust has been created to maintain Norfolk's chalk streams.
The Royal Sandringham Estate is on the chalk River Babingley.
Other areas monuments and chalk streams
Another chalk stream in England that has some of Britain's most famous ancient megalithic monuments and man made mound structures is The Kennett.
The Kennett, a major tributary of the River Thames in Wiltshire, flows past Wiltshire’s Silbury Hill, a man-made mound as old as the Egyptian pyramids, and on to Avebury’s stone circle.
The threat to chalk streams, our unique contribution to global ecology