The National Theatre’s adaptation of Michael Morpurgo’s novel War Horse has already been seen by more than 4 million people worldwide since its debut in London in 2007.

The show is also currently touring the UK and Ireland and will continue to do so until September 2014.

Internationally, a major US tour is in progress and a German version of the spectacle, entitled Gefährten, has opened at the Stage Theater des Westens in Berlin.

War Horse tells the tale of a young man named Albert and his horse, Joey, who is requisitioned by the British army during World War I.

For more on the productions, click here.