Why does Russia have the best maps of Britain?

The first 1,000 people to use this link will get a free trial of Skillshare Premium Membership: Huge thanks to John Davies and Alexander J Kent, authors of ’The Red Atlas: How the Soviet Union Secretly Mapped the World’. You can view images of Soviet maps and purchase reprints at BUY MAP MEN MUGS, T-SHIRTS, POSTERS ETC...