Stock Photo - 04 August 2022, Saxony-Anhalt, Hasselfelde: A red oak grows in the Eco-Kamp in Hasselfelde. The open-air laboratory at Tännichen is a so-called experimental forest. Here it is shown how different tree species develop. (to dpa ""An experimental forest shows how climate change affects"") Photo: Matthias Bein/dpa. - Hasselfelde/Saxony-Anhalt/Germany

Stock Photo: 04 August 2022, Saxony-Anhalt, Hasselfelde: A red oak grows in the Eco-Kamp in Hasselfelde. The open-air laboratory at Tännichen is a so-called experimental.

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