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Children experience “rotating mirror image” in Inner Mongolia Science and Technology Museum, Hohhot, Inner Mongolia, China, March 31, 2020. The Inner Mongolia Science and Technology Museum was officially reopened to the outside world. During the epidemic period, the daily quota is 1000 people. Before entering the museum, the audience must show their ID card and health code and accept temperature measurement. During the visit, they must wear masks. (Photo by Costfoto/Barcroft Media via Getty Images)
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