NOVA

How Wuhan is Using Digital Gatekeeping to Reopen

Clip: Season 47 Episode 10 | 2m 47s | Video has closed captioning.

Anyone entering or leaving a building or public space in Wuhan is required to scan special location-marking codes with their phone.

Aired: 05/13/20

Rating: NR

Problems Playing Video? | Closed Captioning

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