japan poolsWelcome to Japan Pools Official - ロト6のとミニロトのと ️1がたくさんたり🎯がています をわせろよ いれてRainbow Pool at Showa Kinen Park. A hit with families every summer, Rainbow Pool is the bgest waterpark in the Tokyo Metropolitan area, featuring 9 pools covering a staggering 63,000 square meters. With a lazy