Complex sentence: The municipality lies in the Vulkaneifel, a part of the Eifel known for its volcanic history, geographical and geological features, and even ongoing activity today, including gases that sometimes well up from the earth.
Split into simpler sentences: The municipality lies in the Vulkaneifel, a part of the Eifel known for its volcanic history, geographical and geological features. Volcanic activity continues even today, including gases that sometimes well up from the earth.