The Commonwealth Children's Choir - A set of 100-year-old bagpipes belonging to Pipe Major William Lawrie of the Argyll and Sunderland Regiment who died in the trenches during the Battle of the Somme is displayed during a practice ceremony on Horse Guards Parade. The actual ceremony, an 'Act of Reverence' for all fallen soldiers at the Somme in 1916, will take place on the 8th of June 2016. at Horse Guards Parade - London, United Kingdom - Wednesday 4th May 2016