A few kilometers away from the Trass caves in the Brohltal is the Laacher See volcano, which filled the surrounding valleys with lava particles up to 60 m high when it erupted 13,000 years ago.
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The point seems to have finally been reached where citizens can no longer stand idly by as a few, but very loud, people use the growing annoyance of the affluent society with their fears and worries to realize their bad goals.