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Before and after video shows the impact of the coronavirus lockdown on air quality in various cities around the world

5 years ago

1:10

Before and after video shows the impact of the coronavirus lockdown on air quality in various cities around the world

5 years ago
News
Duration 1:10

An unintended consequence of the coronavirus lockdown has been a noticeable improvement in air quality. Here's a look before and after the lockdown began in various cities around the world.

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