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1 ene 1948 año - Several industrial smog in Donora Pennsylvania killed 20 people and made 7,000 more sick.

Descripción:

Several industrial smog in Donora Pennsylvania killed 20 people and made 7,000 more sick.

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Health and Wellness

Bychyelle Jiazten milgrom

9 nov 2019

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527

fecha:

1 ene 1948 año

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~ 77 years ago

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