Wiki: Auf dem Hinteren Griesberg befinden sich zahlreiche alte Brüche im Mittleren Burgsandstein.
Wikipedia: Erlangen is a Middle Franconian city in Bavaria, Germany. It is located at the confluence of the river Regnitz and its large tributary, the Untere Schwabach. Erlangen has more than 100,000 inhabitants.Erlangen is today dominated by the University of Erlangen-Nuremberg and the numerous branch offices of Siemens AG, as well as a large Institute of the Fraunhofer Society. An event that still influences the city was the settlement of Huguenots after the withdrawal of the Edict of Nantes in 1685.