&lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Camilla+-+Hertogin+van+Cornwall&amp;family=editorial&amp;specificpeople=158157 ng-click='$event.stopPropagation()'&gt;Camilla&lt;/a&gt;, Duchess of Cornwall and Prince Charles, Prince of Wales travel on a Metropolitan underground train from Farringdon to King's Cross as they mark 150 years of London Underground on January 30, 2013 in London, England.