plants growing in a cliff at the roadside with a park bench in mullerthal, luxembourg

rock garden tree flower jungle ruins woodland stream plant forest pond green vegetation wilderness nature yard cliff roadside park bench mullerthal luxembourg rural region east canton echternach spectacular geological formation cliffs walk area located sauertal berdorf waldbillig hiking trails build offer ways explore plants growing luxemburg lux grand duchy europe waldbalaquo lleg kanton mafrac14 llerthal erosion edge stone crumbling control eroded root earth landslide