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Where was Circle of Animals/Zodiac Heads unveiled in 2011?

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Chinese activist and artist Ai Weiwei in 2019, facing the camera and wearing a black zip-up jacket. — Ai Weiwei Ai Weiwei, 2019.

In May 2011, the public installation Circle of Animals/Zodiac Heads by Ai Weiwei was unveiled in New York City and London.1