Yes, Manhole Explosions Happen About Once A Month In London, But No, You Shouldn't Worry Too Much

Yes, Manhole Explosions Happen About Once A Month In London, But No, You Shouldn't Worry Too Much
The explanation behind London's rash of sewer surprises is actually pretty simple, and even a pyrotechnic's take on the phenomenon is only a big deal up close and in slow motion (which, this being a YouTube video, it is).

October 31, 2018 at 07:56AM
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