The music is "Please don't go" by Barcelona. Barcelona's website
This was shot at the Okinawa Churaumi Aquarium in Japan.
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.
WE MUST PROTECT OUR OCEANS!
This was shot using a Canon 5DMKII with a 28-135mm lens.