How can SmartWater protect our war memorials?
By taking a paint brush to a war memorial in Hyde Park, the Duchess of Cornwall lent her support to a new campaign called 'In Memoriam 2014'.
It aims to protect the nation's war memorials by marking them with 'SmartWater' - a traceable liquid that should deter metal thieves.
Project Manager Jon Teare explains more in the clip below.