activity blue boy child health kid learn lesson pool sport swim swimming teach teenager water activities aqua chairs clean clear color colour cool deck-chairs edges fun hotel light open outdoor outdoors palms plants poolside private rain raining recreational reflection reflections relaxation relaxing responsibility responsible ripples rippling rooftop safety sheltered shrubs surface surrounding surrounds swimmers swimming-pool tropical views water's edge wavelets wet background gravel pattern pebble rock rocks round shallow stone stones submerge texture England english Great Britain landscape marsh marshland marshy natural nature pond spring weed Balanus barnacles coastline covered Pembrokeshire sea seaweed speckled united kingdom wales welsh bush garden leisure pleasure relax shrub Sussex trees bridge calm canal February peaceful restful river tranquil turning winter decoration decorative feature flow fountain old ornate sculpture statue Victorian autumn blur eddy flood pools power sky spray textures waterfall