atmosphere background city cooling crossing damp downpour drenched drenching footpath gray grey heavy-rain outdoor outdoors path pedestrians pelting-down pouring-down pouring-rain rain raining roadside Singapore spatter spattering splatter spray stormy streaming street street-scene textures tropical umbrellas unprotected water weather wet wind trees bridge drainage flood Leatherhead mole overflow rain water residential river black blue cloud clouds cumulus horizon landscape line marine nature ocean scape sea