echternach city in luxembourg, sauer river

echternach luxembourg city sauer river border germany scenic travel nature beautiful landscape explore architecture riverfront crossborder europe cityview landscapephotography europeanlandscape crossborders countryside beautifulnature historiccity europeanexploration architecturephotography smalltown charmingcity countrysidephotography landscapeview europeanculture exploringluxembourg riverscape exploretheworld travelinspiration riverphotography