Sumo wrestling - explainedTo play this video you need to enable JavaScript in your browser.This video can not be playedSumo wrestling - explainedCloseMore on this story.SubsectionLondonPublished5 hours agoShareclose panelShare pageCopy linkAbout sharingRelated topicsLondonFollow Londonclose panelYou are now following LondonUpdates from your News topics will appear in My News and in a collection on the News homepage.JapanFollow Japanclose panelYou are now following JapanUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description