obersee of the rursee reservoir system in 2019

water reflection lake reservoir river cloud tree nature sky shore waterway sea pond landscape bay morning coast obersee middle height rursee lakes calm paulushofdamm lower hot summer day blue light clouds artificially created paradise eifel close belgian border ruhrsee ruhr volcanic mountains volcano rolling vulkaneifel hills idyllic lake water standing water lake mirror wild remote nature schleiden rlp rhineland palatinate blue