Catherine pays tribute to the 'invisible work of caring'To play this video you need to enable JavaScript in your browser.This video can not be playedCatherine pays tribute to the 'invisible work of caring'CloseMore on this story. SectionNewsPublished18 NovemberShareclose panelShare pageCopy linkAbout sharingRelated topicsCatherine, Princess of WalesFollow Catherine, Princess of Walesclose panelYou are now following Catherine, Princess of WalesUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description