Guardsmen march past Buckingham Palace before the Trooping the Colour ceremony at Horse Guards Parade in central London

Guardsmen march past Buckingham Palace before the Trooping the Colour ceremony at Horse Guards Parade in central London

Guardsmen march past Buckingham Palace before the Trooping the Colour ceremony at Horse Guards Parade in central London, Britain June 13, 2015. Trooping the Colour is a ceremony to honour the Queen’s official birthday. REUTERS/Stefan Wermuth