LONDON, ENGLAND - JUNE 20: Royal Marines and Royal Naval personnel from 1 Assault Group Royal Marines deliver a barrel of rum as Royal Marines and Royal Naval personnel from 1 Assault Group Royal Marines deliver a barrel of rum as they conduct the historical and Ceremony of the Dues as part of a year of celebrations marking the 350th anniversary of the Royal Marines at Tower of London on June 20, 2014 in London, England. Believed to date from the 14th century, the ceremony stems from the tradition whereby every large Royal Navy Ship that visits the port of London delivers a barrel of rum to the Constable of the Tower on Tower Green so to enjoy the protection of the Tower of London's guns. The price for this protection was a portion of their cargo. In the past this has included oysters, mussels, cockles, rum and wine. (Photo by Matt Cardy/Getty Images)
