biotope clouds creek ecosystem fauna forest landscape nature reflection river scenery scenic sky tree trunks trees water wild wodd blossoms colorful Dandelions grass green hills hut idyll meadow mountains rocks spring sun yellow distance distant horizone path pathway peaceful rural solitary tree active adventure backpacker hike hiker hiking mountain outdoors outside people recreation sports tourism Trekking walk walking bank canoes estuary Mawddach natural shore tranquil view wales welsh blue canada clear lake moraine range Rockies Rocky Mountains snow transparent cloud current flow new zealand Taupo Waikato River water resources watercourse Huka Falls damaged kolej las lato old stal stare steel summer szyny tory tracks train transport transportation zielone zniszczone