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Keywords from Image Description:
Sludge Lagoon Sewage Ponds Manakau City. The sludge lagoons of Auckland's sewage treatment plants near Mangere Bridge in Manukau City New Zealand selfphotographed Uploader Photos taken by Ingolfson Lagoons in New Zealand Manukau Harbour Mangere Bridge Sewage treatment in New Zealand in New Zealand Maars of New Zealand