An aerial photograph shows the alumina plant of Hungarian Aluminium (MAL) in Ajka, Hungary, whose waste reservoir broke on October 4, 2010, flooding parts of western Hungary with toxic red sludge, September
Red Mud Accident in Ajka and geospatial solutions in pre/post- disaster management | Environmental Systems Laboratory
How the Hungarian town flooded by red toxic sludge went green | Ecotowns | The Guardian