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An overgrown quarry south of Nuremberg. Most people only see inconspicuous sandstones here. But Norbert Müller's hunting instinct awakens. Because treasures can lie dormant in cracks and hollows: rock crystals! Author: Matthias Supé From the TV broadcast on July 11, 2020 More from Between Spessart and Karwendel: http://www.br.de/spessart https://1.ard.de/Spessart-Karwendel #Bergkristall #Franken #SpessartUndKarwendel