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A Guinness World Records judge presents the certificate of a record for "the most people playing a hand clapping game simultaneously" in Buftea, Romania, on June 16, 2018. (Xinhua/Cristian Cristel)
A Guinness World Records judge presents the certificate of a record for "the most people playing a hand clapping game simultaneously" in Buftea, Romania, on June 16, 2018. (Xinhua/Cristian Cristel)