aletsch glacier rhododendron landscape

age aletsch aletscharena aletschgletscher alpine alps altitude bush cabin cloudy crystalline discovery evergreen flower from geology glacier grass high hiking hohfluh ice juniper landscape lychen lychens moosfluh mosaic moss mountain nature outcrops park ping pink point pronatura protected rhododendron rock rocky shrub sky snow spruce summer swiss switzerland time valley valuable vegetation view viewpoint water winding