agitated blue colour current dark deep froth green lake movement ripple swirl water chilly cool exercise forest lush nature rainforest shrub shrubbery trail tunnel walk Asia background china coconut frond jungle leaf leaves palm texture tree tropical cloud clouds field landscape natural outdoors sky summer sunny black botanic bushes garden leafs lisbon perspective shape bright colourful cucumber fresh healthy pepper plate red salad tomato tomatoes yellow conifer evergreen shadow sunlight trunk wood