What it's like to fly into Beijing's Olympic 'bubble'
CNN
The Beijing Winter Olympics is being hosted inside a veritable fortress -- known informally as the "bubble" -- that takes weeks of careful planning to successfully penetrate.
Designed to prevent the spread of Covid, the bubble is the most ambitious quarantine attempted anywhere since the start of the pandemic.
The journey inside the bubble starts with a copy of the "Playbook," an 83-page rule book described by Olympic officials as a "way of life."
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