epaselect epa05017287 Firefighters search for victims in the mud after an industrial waste dump collapsed, in Bento Rodrigues in Mariana, Brazil, 08 November 2015. Retaining walls that burst open on 05 November at a mining complex set off an avalanche of mud and mineral residues that buried dozens of homes in the southeastern Brazilian city of Mariana and left at least one person dead, 16 injured, 13 missing and 530 homeless. EPA/Antonio Lacerda