Foto de stock - 27 April 2022, Thuringia, Pfiffelbach: An employee of the Forest Research Center takes a forest soil sample using a drill stick. The condition of forest soils and their changes are systematically inventoried every 15 years at around 2,000 points throughout Germany, of which 100 are in Thuringia. Photo: Michael Reichel/dpa. - Pfiffelbach/Thuringia/Germany

Imagen: 27 April 2022, Thuringia, Pfiffelbach: An employee of the Forest Research Center takes a forest soil sample using a drill stick.

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