Instruments are left on the ground during a break as members of the Royal Marines Band rehearse for Beating...
Instruments are left on the ground during a break as members of the Royal Marines Band rehearse for Beating Retreat on Horse Guards Parade in London June 2, 2014. The Beating Retreat, which is traditionally a celebration of Prince Philip's birthday, will be held on Horse Guards Parade on Wednesday. REUTERS/Neil Hall (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS TPX IMAGES OF THE DAY)