Zervreilasee, Switzerland, canton Graubunden, Grisons, Surselva, Valsertal, lake, reservoir, mountain, Zervreilahorn, flowers, l
RMC3YJNAZervreilasee, Switzerland, canton Graubunden, Grisons, Surselva, Valsertal, lake, reservoir, mountain, Zervreilahorn, flowers, l