Inside the Earth, huge amounts of hot magma are under great pressure and are being pushed towards the surface.
A romantic village? An idyllic lake? This would have been unimaginable 45,000 years ago!
Anyone who wants to learn more about tuff can easily find out about this rock and its uses in the 'Weiberner Schaufenster' ('Weibern Shop Window').
The Infozentrum Rauschermühle, which lies between the villages of Plaidt and Saffig, is your first port of call not only for planning your journey, but also for finding out the key facts about volcanic activity and 7,000 years of rock extraction in the area.
Clay and sand particles float around gently and settle on top of each other in layers on the seabed. But this tranquillity comes to an abrupt end.
What is going on deep beneath our feet? How does volcanic activity affect the landscape? Experience volcanic phenomena and activity at close range.