Blautopf
Germany
The Blautopf (German pronunciation: [ˈblaʊˌtɔpf], lit. 'Blue pot') is a spring that is considered the source of the river Blau in the karst landscape on the Swabian Jura's southern edge. It is located in Blaubeuren, Alb-Donau-Kreis, Baden-Württemberg, Germany (approximately 16 km (9.9 mi) west of Ulm).
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