deep blue totenmaar in early spring with donkeys

countrysite springtime reflection wilderness totenmaar landscape stretches grassland reservoir mountain volcanic calderas visiters waterway donkeys germany belgium covered wetland spring forest summer region nature early eifel rhine hills green field three maare water river shore plant deep blue area west wide daun drei lake tree pond hill lake caldera caldera lake weinfelder maar dauner caldera volcano lake lake eifel rural vulkaneifel forest forest fun water calm mirror lake mirror totenmaar weinfelden blooming spring blossom blooming tree landscape rural nature idyllic eifel volcanic mountains volcano rolling vulkaneifel hills