Positioned in Miyazaki, “Ocean Dome” has bagged the title of being the title of being the biggest indoor swimming pool ever made. Measuring 300 meters long and 100 meters wide, the pool is located around 500 meters above the sea.The heat inside the marquee remains 30 degrees and the crown tinted with sky-blue and ever have artistic “clouds”. The pool has a built-in mocked volcano and artificial wave’s cohort arrangement. But regrettably this elite pool making up to Guinness record is being shut down this year.Possibility is it must not be generating adequate wealth. It also claims to be the first ever swimming pool in Japan, constructed around 100 years ago.