Piotr Koper, who spent years hunting for the elusive train rumoured to be laden with gold and gems, has found two dozen priceless Renaissance portraits.
Currently there are no set of universal rules defining exactly what a tailings dam is, how to build one and how to care for it after it is decommissioned.
In its current form, the epidemic won’t impact the nation’s cobalt production, as the vast distance from the Katanga region largely prevents its spread, says global risk consultancy Verisk Maplecroft.