15K views · 357 reactions | Why do London's manholes keep exploding? - Every month or so, somewhere in London, a manhole explodes. It's so common that it doesn't make the news unless it's spectacular or someone gets injured. Here's why, complete with gratuitous pyrotechnics. | Tom Scott | Facebook
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15K views · 357 reactions | Why do London's manholes keep explodin…
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31K views · 302 reactions | A family walking in New York was nearly hit by exploding manhole covers, sending concrete and debris flying into the air. At least three manholes exploded in the chain reaction. They had just come from an Easter egg hunt. Firefighters were there within minutes, and found high levels of gas in the craters left in the pavement. The family was not injured. | ABC7 News | Facebook
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