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...          Lewknor: in 2005 the M40 cuts through the escarpment between Bald Hill and Beacon Hill  Author: Quiller Barrett,          Lewknor: the escarpment between Bald Hill and Beacon Hill  Author: F A Girling,