The Okinawa Churaumi Aquarium in Japan holds the second largest aquarium 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.”

The video is one continuous shot using a Canon 5DMKII with a 28-135mm lens. Best viewed in fullscreen HD at the Vimeo page.