"Urban and rural pollution transfer" refers to the behavior of an organization or an individual to transfer environmental pollution equipment, processes, technologies, products and other tangible or intangible pollutants from urban to rural areas during the economic development process. It has become one of the main reasons for the increasingly severe rural environmental situation. According to the above definitions, Which of the following are not classified as "urban and rural pollution transfer":. ["A city's cement plant has 100,000 tons of untreated industrial wastewater flowing through rivers in nearby villages every year.", 'The farmland of a certain town receives heavy metal residues from factories relocated from the urban area.', 'In order to create the image of a green and civilized city, a city moved a heavily polluted steel plant to a nearby town.', 'city built a reservoir to ensure urban water use, resulting in insufficient irrigation water for farmland irrigation in many villages downstream.']