Maxim Andrianov, Aleksei Pushkarev, Vasiliy Kondratenko, and Vladislav Zharovtsev of Russia compete in the four-man bobsleigh during an IBSF Sanctioned Race, a test event for the 2022 Winter Olympics, at
An Olympic bubble has long been on the books but Beijing has now made the restrictions official as part of its zero tolerance approach to the pandemic.
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Beijing Says Strict 'Closed Loop' Will Be in Place for Winter Olympics Coronavirus Bubble | Since Then