Thanks to Rus for these:
In pictures: Inside Silbury Hill:
http://news.bbc.co.uk/2/hi/in_pictures/7059882.stm Discoveries include
medieval postholes on top of the hill and iron arrowheads, indicating there
may have been a huge military building there during the Saxon or Norman
periods. One theory is that the top of the hill was lopped off around the
time of the Battle of Hastings or even earlier.
Last chance to solve puzzle of ancient hill:
http://www.timesonline.co.uk/tol/news/uk/science/article2733437.ece
Something is not right. This message is just to keep things from messing up down the road