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> Huawei put the industry on notice late last year, when it completed a cable between South America and Africa.

Somewhat tangential, but not I'm curious about how undersea cables deal with the tectonic plate movements and any volcanic activity on the plate boundary. Then I found this interesting article: https://www.sciencemag.org/news/2018/06/seafloor-cables-carr...

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Undersea cables are laid with a significant amount of slack. It's needed for a cable repair ship to be able to haul up the cable from the ocean floor and perform repairs mid-span.

Looking at the cable map [1] makes me wonder, what do they do when cables are crisscrossed over and under each other?

[1] https://www.submarinecablemap.com/

If a cable is picked up with another cable on it, the latter one just slides to the side?

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