baptism bathe christianity handrail pool pools spa spas steps swim swimming swimming pool water blue clear fun inviting leisure madeira resort basin jump lop male splash swimming-pool activities boys enjoyment safety snorkeling summer swimmers underwater boy children colorful colourful depth father floater girls parents shallow cool drainage edge external holiday metal outdoor poolside rail refresh relax sport stairs vacation abstract curve curved fishmonk light pattern reflect reflection refract refracting ripple rippled ripples square squares watery wave wavy background lines rectangles texture tiles