The dark side of goldTo play this video you need to enable JavaScript in your browser.This video can not be playedThe dark side of goldCloseWatch more videos from BBC Ideas.SectionNewsPublished4 days agoShareclose panelShare pageCopy linkAbout sharingRelated topicsGoldFollow Goldclose panelYou are now following GoldUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description