Stock Photo - 23 November 2023, Thuringia, Erfurt: Jonas Reif, professor at Erfurt University of Applied Sciences, introduces a young poplar tree at the press conference on the Erfurt University of Applied Sciences research project, which is investigating which tree species will be able to survive in the urban climate of the future. A total of around 30 trees are to be planted as part of the project, including unusual varieties such as eucalyptus. Photo: Jacob Schröter/dpa. - Erfurt/Thuringia/Germany

Stock Photo: 23 November 2023, Thuringia, Erfurt: Jonas Reif, professor at Erfurt University of Applied Sciences, introduces a young poplar tree at the press conference on.

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