Marina O'Loughlin, London newspaper Metro's restaurant critic, has remained incognito for the past 11 years.

BBC: Postcard from Edinburgh

The oldest metro in the world, though, is the London Underground, which opened in 1863.

BBC: Subway systems by the numbers

Miss Casta, he said, will discover that property prices in London are much higher than in Paris, and that the quality of its hospitals and metro much poorer.

ECONOMIST: The disloyalty of Marianne

In 2010, Presselite accused London-based developer Q Mapps of infringing its copyright, after both firms released an app called Paris Metro for Apple devices.

BBC: Facebook blocks Vintage Camera app