TIMES SQUARE, Manhattan (WABC) -- You never know what you will encounter in Times Square, and the latest addition is a 12-ton aquarium.
**Check out the giant aquarium in video above**
Holoscenes, as it is known, is the centerpiece of Science in the Square, the three-day World Science Festival that includes free activities, demonstrations and installations aimed at giving people a better understanding of science.
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As for Holoscenes, the aquarium periodically floods and drains, requiring a rotating cast of performers to respond creatively to changing levels of water. It happens over the course of five hours each day.
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Science in the Square will be open to visitors of all ages from 7 a.m. to midnight through June 3.
It is centered between Broadway and 7th Avenue, between 45th and 47th streets.
For more information, visit WorldScienceFestival.com