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Visitors enter the reception hall of the American Museum of Natural History with online booking vouchers, New York, U.S., April 1, 2021. The museum, which was closed for nearly half a year after the COVID-19 outbreak, has seen a steady increase in daily visitors since it reopened in September last year. (Photo: China News Service/Liao Pan)
Visitors visit the Aquarium at the American Museum of Natural History in New York, U.S., April 1, 2021. The museum, which was closed for nearly half a year after the COVID-19 outbreak, has seen a steady increase in daily visitors since it reopened in September last year. (Photo: China News Service/Liao Pan)