Spring and stream of the Schwindebach or Schwindebeck, Schwindequelle or Schwindebachquelle, second largest spring in Lower Saxony, spring pot with clear water, sandy bottom, deposits of reddish iron oxides and turquoise-coloured manganese oxides, sunlit forest with black alder (Alnus glutinosa) or black alder, ferns, wood sorrel (Oxalis), grasses and other herbs, reflection of the trees on the surface of the water, Schwindebecker Heide, Lueneburg Heath nature park Park, Lower Saxony, Germany, Europe