area background beauty blue clear color cool day deep design environment eternity flood flowing infinity lake level light liquid motion natural nature nobody open outdoor outdoors pattern reflection ripple rippled sea seascape silence smooth stone stream surface texture textured tide tranquil water wave waves wet abstract agitated agitation bubbles bubbling contaminated contamination edge edges edging flow foam foaming froth frothing frothy inlet mixed mixing patterning patterns polluted pollution soft stirred stirring surfaced surfaces swirling swirls textures toxic toxicity variation varieties variety white atmosphere city cooling crossing damp downpour drenched drenching footpath gray grey heavy-rain path pedestrians pelting-down pouring-down pouring-rain rain raining roadside Singapore spatter spattering splatter spray stormy streaming street street-scene tropical umbrellas unprotected weather wind