appearance background coloring colors colouring colours contrast contrasting dense density ferns flow foliage froth green greenery jungle jungle-waterfall light nature palms plants rain-forrest shade shadows sunlight undergrowth vegetation water waterfall cool cooling placid pool tranquil tropical arborium fern greenhouse moss plant black blur forest Kerala motion serene shrubs slow cascade enviroment fall river splash spray stream swim Asia Malaysia rain rocks rocky selangor ulu yam Hawaii honeymoon island islands lush Maui pacific paradise running rural trip tropic tropics vacation wet gardens movement over the edge reflecting streaming Bali crashing falls fishmonk flood flooding flowing foam gush gushing hot indonesia jungles plummet rivers roar roaring sunny tree trees