observation post or watchtower at the heidi’s trail heidi erlebnisweg in the bundner herrschaft buendner herrschaft region

architecture area attraction background beautiful beauty birds blue buendner building bundner canton clouds country countryside culture environment erlebnisweg europe famous garden grass graubuenden graubünden green grisons heidi heidis herrschaft landmark landscape lookout mainfeld meadow natural nature observation old outdoor park peaceful post region rural scenic season sky spring summer sunlight swamp switzerland tourism tower trail travel tree trees vacation view watch watchtower water white wildlife wood wooden