Okinawa Churaumi Aquarium in Japan - 日本では沖縄美ら水族館

This was shot at the Okinawa Churaumi Aquarium in Japan which is the 2nd largest aquarium tank in the world.

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, measuring 8.2 meters by 22.5 meters with a thickness of 60 centimeters. Whale sharks and manta rays are kept amongst many other fish species in the main tank.