Goldfish look so beautiful and graceful as they swim through water. Imagine 5,000 goldfish in incredible custom-made tanks filled with color, light and sound. If you visit the Nihonbashi Art Aquarium in Tokyo, between July 10 and September 23 you can see just that. Take a look at some photos of a few from last year's exhibition pieces below. And check out the video at the end, even though it's not in English, you will get a taste of the incredible and otherworldly sights at the Aquarium.