What is the mysterious 'global Hum' - and is it simply noise pollution? (theguardian.com)
submitted 6.1 years ago by bunnysupreme
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derram 6.1 years ago
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2019-03-13 | What is the mysterious 'global Hum' – and is it simply noise pollution? | Cities | The Guardian
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derram ago
https://files.catbox.moe/6r8lhr.png :
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