related tags: 100thanniversary 21stoctober1905 4D4E4C 4D4F4A 7F817E 7F837D 9D9F9C 9DA19B BFC1BE BFC2BD ECECEB battleoftrafalgar cannonrow canonrow cleaning london lordnelson metropolitan nationalgallery nelsonscolumn steeplejacks trafalgarday trafalgarsquare uk wlarkinsltd 1843 1897 1905