calm colors frost hills landscape light mountains peace rocks sky stillness sun water winter breakwater concrete copyspace defence defense edge protect road scarborough sea shore still bridge build flowers garden grow growing house nature peaceful plants travel walk walking background bath illustration meditative pond pool reflextion rings ripple ripples spa texture zen Athabasca blue canada current flow forest natural river tranquil archipelago clouds mirror purple reflection reflections reflex spring sunset sweden tranquility Australian bird black eyes grey native nocturnal orange patience podargus prey reflective staring strigoides clear lake mountain panorama Sardinia view atmosphere atmospheric cloud europe germany gray horizon ocean Ostsee phenomenon summer water resources wave