Originally published at: https://boingboing.net/2020/02/12/watch-shockwave-in-a-tunnel.html
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I like some of Shockwave in a Tunnel’s early stuff, but Afrika Bambataa was doing the same thing years before.
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Fantastic. Thanks for sharing that. The echos were especially impressive.
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FireintheholeNO,WAIT!BOOM!!
Thanks for the warning, Ace.
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Just out of shot, his mate was putting the finishing touches to a house of cards.
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there can’t be any amount of ear protection that makes that safe.
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Yeah, cool but WHY? Is that the only way to keep the alligators away?
No, seriously, why did they they blow something up in there?
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Now let’s drop a chunk of ice down it!
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And remember, kids:
action movie physics allows heroes to outrun shockwaves.
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According to the comments, opening a side tunnel.
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Yes to the echo, big fat NO to that access tube! 
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I thought that thumbnail looked like Indianapolis. Much louder than I remember.
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I can’t believe they were still in the hole when the blast was triggered. Are they insane?
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They were not.
They are now.
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