Random FactsCuriousOneMarch 08, 2016city, economically, feasible, mine, Pollution, russia, severe, topsoilComment There is a city in Russia where the pollution is so severe that mining the topsoil is now economically feasible because it contains so many heavy metals. Random FactsCuriousOneMarch 08, 2016city, economically, feasible, mine, Pollution, russia, severe, topsoilComment
