Stock Photo - 10 October 2022, Baden-Württemberg, Freiburg: Paul Spies, Smart City project manager at bn Netze, holds a tablet in his hand that displays the fill levels of various bottle banks. Sensors in around 50 glass containers send their fill levels to Abfallwirtschaft und Stadtreinigung Freiburg GmbH (ASF). The information is intended to optimize the routes of the collection vehicles and enable more efficient emptying and use of the containers. Photo: Philipp von Ditfurth/dpa. - Freiburg/Baden-Württemberg/Germany

Stock Photo: 10 October 2022, Baden-Württemberg, Freiburg: Paul Spies, Smart City project manager at bn Netze, holds a tablet in his hand that displays the fill levels of.

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