This is footage from Okinawa Churaumi Aquarium “Kurashio Sea”. This large tank is 10m deep, 35m wide and 27m long, contains 7500 cubic meters sea water and about 70 species of life like: whale sharks, manta rays, yellow-fin tunas and bonito. You can see huge whale sharks of up to 8m long swimming by with other species. All of this is visible through acrylic window, 8.2 m high, 22.5m wide and 60 cm thick.