© Ethan Welty/Tandem Stills + Motion - 2016-04-02
body of water water resources natural landscape nature waterfall water watercourse nature reserve vegetation stream green river natural environment mountain river wilderness old-growth forest forest tree rainforest valdivian temperate rain forest riparian forest tropical and subtropical coniferous forests creek jungle biome state park water feature national park riparian zone landscape fluvial landforms of streams plant rock moss spring reflection formation ravine tropics temperate broadleaf and mixed forest chute lake rapid