Andalusia in southern Spain is attracting the attention of mining companies who want to extract metal ore. Near to Seville, the village of Aznalcollar is in the process of receiving the final permits to reopen a mine that was closed 26 years ago. In 1998, a wastewater reserve pool at the Los Frailes mine burst, spewing millions of cubic metres of toxic mud onto nearby farmland, rivers and protected wetlands. FRANCE 24's Sarah Morris reports.