Stock Photo - 22 August 2022, North Rhine-Westphalia, Cologne: A decommissioned spherical gas storage tank (gas sphere) of Rheinenergie is located in the Ehrenfeld district. Built in 1954, the spherical gas tank on Maarweg had the purpose of securing the ever-increasing demand for energy. In addition, it was a technical masterpiece at the time. The sphere, with a diameter of almost 34 meters, was the largest structure of its kind in the world at the time. Photo: Rolf Vennenbernd/dpa. - Cologne/North Rhine-Westphalia/Germany

Stock Photo: 22 August 2022, North Rhine-Westphalia, Cologne: A decommissioned spherical gas storage tank (gas sphere) of Rheinenergie is located in the Ehrenfeld district.

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