Women wearing kimonos look at goldfish in an illuminated tank at the Art Aquarium exhibition in Tokyo July 10, 2015. Several thousand goldfish are displayed in dozens of uniquely shaped tanks, using LED lights, projection mapping and music in a show that was produced by Japanese designer Hidetomo Kimura. (Photo by Thomas Peter/Reuters)

A woman looks at goldfish through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

Goldfish are on display in illuminated tanks at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

Women wearing kimonos look at their phones as they visit the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

People take pictures of goldfish in a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

A woman looks at goldfish through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

A woman looks at goldfish through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

A woman looks at goldfish through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)

Goldfish are pictured through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. (Photo by Thomas Peter/Reuters)