pipeline in mountainous region high alpine landscape

alpine alps area austria austrian background bielerhohe chain cliff construction country crest dam drainage electricity energy environment europe geological glacier grassy harsh heights high hight highway impressive landscape leading massif montafon motorway mountain mountainscape mountainous mountains nature panorama panoramic pass peaks pipeline power range region remote reservoir ridge road rock rough rugged scenery scenic secluded silvretta slopes valley view vorarlberg terrain water hydroelectric pipe renewable source hydroenergy