What has changed?

1 second 2 seconds 3 seconds 4 seconds 5 seconds 6 seconds 7 seconds 8 seconds 9 seconds 10 seconds 11 seconds 12 seconds 13 seconds 14 seconds 15 seconds 20 seconds delay, loading photo...          No culvert but a ford across the River Bulbourne at the bottom of Billet Lane in 1908. From the collection of the Berkhamsted Local History & Museum Society.  Author: D Spain,          The culvert under Billet Lane for the River Bulbourne is in the foreground - but the chalk stream was not flowing this far upstream in February 2005.  Author: Q Barrett,