Someone measuring uniform
Media playback is unsupported on your device
Video

Trooping the Colour: Behind the scenes with cavalry soldiers

In a tradition that started in the 18th century, Britain is celebrating the Queen's official birthday in London.

The men and horses of the Household Cavalry will ride to Horse Guard's Parade to salute her.

Roya Nikkhah was given exclusive access to the cavalry barracks at Hyde Park.

  • 14 Jun 2014
Go to next video: Queen sees parade without Philip