Air pollution. Smoke coming from various chimneys of a steelworks. Emissions from steelworks include hydrocarbons, carbon monoxide, ammonia, fluorides, sulphur dioxide and nitrous oxides. These are noxious air and water pollutants, and sulphur dioxide and nitrous oxides released into the atmosphere cause acid rain. Photographed at Gijon, Spain.
Model release not required. Property release not required.