The main tank called the “Kuroshio Sea” holds 7,500-cubic meters (1,981,290 gallons) of water and features the world's second largest acrylic glass panel. Whale sharks and manta rays are kept amongst many other fish species in the main tank.
This was shot at the Okinawa Churaumi Aquarium in Japan. http://www.kaiyouhaku.com/en/
The music is “Please don't go” by Barcelona.