Stock Photo - 16 June 2023, Brandenburg, Lauchhammer: The industrial monument ""Lauchhammer bio-towers"". The 24 towers, each 22 meters high, belonged to the former lignite coking plant in the north of Lauchhammer. They were put into operation about 60 years ago. Until 1990, the structure served as a biological treatment plant for the phenol-containing industrial wastewater from the large Lauchhammer coking plant. There, lignite high-temperature coke for the production of iron was produced from the ""black gold"" of Lusatia for decades. Photo: Patrick Pleul/dpa. - Lauchhammer/Brandenburg/Germany

Stock Photo: 16 June 2023, Brandenburg, Lauchhammer: The industrial monument ""Lauchhammer bio-towers"". The 24 towers, each 22 meters high.

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