How Does QR Code Give Access to Buildings - 搜索视频

10K views · 62 reactions | Beijing once faced some of the world's toughest COVID-19 restrictions. Now to access different buildings and communities, people need to carry a QR code on their phone to show they have a clean bill of health at thousands of checkpoints throughout the city. | SBS News | Facebook

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10K views · 62 reactions | Beijing once faced some of the world's toughest COVID-19 restrictions. Now to access different buildings and communities, people need to carry a

SBS News. . Beijing once faced some of the world's toughest COVID-19 restrictions. Now to access different buildings and communities, people need to carry a QR code on their phone to show they have a clean bill of health at thousands of checkpoints throughout the city.

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