The female form with astrological symbols mb-artistname Charles John Bentinck Nicholas Courtney as Brigadier Lethbridge

Nicholas Courtney as Brigadier Lethbridge Stewart and Sophie Aldred as Ace pose with the Doctor's car Bessie whilst on location filming for the Dr Who story Battlefield

Interior view of the Hall of Commerce

Scene on a busy street corner showing nuisances to passers-by

a number of Treaties had been made between Britain and the United States that involved US borders with Canada

Surrounding streets as well as landmarks such as St Paul's Cathedral

The female form with astrological symbols mb-artistname Charles John Bentinck Nicholas Courtney as Brigadier LethbridgeThe female form with astrological symbols, 1790. Illustration from Culpeper's Complete Physician and Complete Herbal, 1790.