May 31, 2019 is the 160th birthday of the largest four face clock in the world, Big Ben.
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2020年1月29日，钟南山和他的团队花了4个多小时在线接诊5名重症患者，并制定了治疗方案。
On January 29th, 2020, Zhong Nanshan and his team spent over four hours online checking five patients who were seriously ill, and made a treatment plan for those patients.
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