DOG: Did members of your family fight or help in World War One? Well guess ... next see a pigeon fly past or a horse galloping in a field or when you throw me one of those great crunchy sticks ...

But both sides in World War One soon realised the muddy ground, barbed wire and machine guns made it too difficult to use horses for fighting. Instead millions of horses were used to carry people ...

Set at the outbreak of First World War in rural Devon, it follows a young Albert (Tom Sturgess), whose beloved horse, Joey ... has cemented his reputation as "one to watch", said Amy Walker ...

The truth about the million British horses that served in World War I is even more epic than Steven Spielberg’s War Horse feature film. This documentary tells their extraordinary, moving story ...