This is an interesting listen to when you have a moment. https://www.bbc.co.uk/news/topics/cwjzj55q2p3t/gold?ns_mchannel=social&ns_source=twitter&ns_campaign=bbc_live&ns_linkname=undefined_m0000v8t%26In%20Search%20of%20El%20Dorado%262018-11-08T13%3A25%3A12.658Z&ns_fee=0&pinned_post_locator=urn:pips:m0000v8t&pinned_post_asset_id=undefined_m0000v8t&pinned_post_type=share
