active activities adventure angles appearance children children’s-area children’s-playground color colored colorful colors colour coloured colourful colours cool cooling equipment families fountain fountains fun leisure multiple multiple-outlets pipes piping play playground playing pour pouring safety sheltered slides spout spouting stream streams supervised water water-playground wet wet-area adults streaming supervision unobtrusive engine fire fireman firemen hidrante hose hydrant isolated know metal pipe public pump sanitation sprinkler valve