Smartphone app reveals secret life of WW2 spies
An interactive smartphone app has been launched which reveals the secret history of spies working in London during World War Two.
The BBC's Robert Hall reports on the Spooks, Spies and Videotape app.
An interactive smartphone app has been launched which reveals the secret history of spies working in London during World War Two.
The BBC's Robert Hall reports on the Spooks, Spies and Videotape app.