ulmen, germany - 08 09 2022: ulmener maar in summer

lake reservoir pond reflection river water tree wilderness mountain tarn landscape nature fishpond waterway fjord wetland stream ulmen germany 2022: old town half-timbered houses big stone church small eifel caldera called ulmener maar youngest volcanic lakes area castle ruin located stretches hill autobahn separates rural vulkaneifel extreme est ruins medieval architecture summer