Exploring relics of the Space Race in Russia

As a new exhibition in London reveals the secrets of the Soviet space programme, Caroline Shearing visits Russia's Star City, where Yuri Gagarin trained to be a cosmonaut There was an unreal sense of having stepped into an alternate universe. The haunting voices of Russian children singing Soviet-era songs rang from a nearby Tannoy as I stood nose-to-nose with what appeared to be a Nasa Space Shuttle.