our river road ouren, belgium

bridge river waterway canal reservoir water transport arch viaduct reflection channel landmark overpass tree infrastructure watercourse tunnel road ouren belgium small town borders germany luxembourg valley tiny memorial founding contracts european union unification process located right border german burg-reuland welchhausen oberhausen lieler three country site heinerscheid treaty rome map burg reuland valley vallée l#39aph39#our sauer sauertal