Photographs of London Then and Now

Long Acre, Covent Garden in 1930 and the present. Older photograph by George Davison ReidThe Museum of London has released an updated version of its wonderful Streetmuseum app, which overlays images of the past onto the present-day city.

Two scenes from London's present and past; on the right is Mark Lane station, which closed in 1967To mark the occasion they've released a series of images blending old photographs with contemporary ones, as shown above.

See more photographs at the BBC.

The update brings in 100 new images of the capital, along with links to more information on the Museum's website and to buy prints.

The app is available for iOS (iPhone, iPad and iPod Touch) and Android devices.