background blue brasil brasilia brazil breath breathing bubbles chlorine cool diving radical soft swimming swimming pool water wave wavy adventure cooling floating laziness peace relaxing sensible summer to swim activities angles architectural-elements architecture chemical-sanitation chlorinated covered exercise filled full glass heated hot-tub hydrotherapy indoor-pool indoors inside interior jacuzzi leisure light lighting lit maintained monitored paddling-pool recliners reclining recreation reflections relaxation sanitized seating shelter sheltered spa-pool swimming-bath swimming-pool undercover wading-pool warm windows