blue competition deep reservoir river sport swim swiming swimmers water blue sky clouds Hawaii palm trees silhouette sunset boats brick city harbor Ocean water sky white blades blue-sky chain chains circular controlled directional equipment fan farm farming-equipment gray grey old outback paint painted papyrus peeling peeling-paint perspectives pond pool pump rural spokes tail-blade water-pump wheels wind wind-powered windmill autumn blues calm green greenery hill lake mountain mountains nature plants sea skies soothing tree trees beach sand summer waves yellow Austria cloud landscape natural people People in nature plant tirol warm water resources abstract color colors distort distortion distortions ocean reflect reflection black Forrest forrests mirror mirroring