That reminds me of this story https://www.nytimes.com/2019/06/17/us/daniel-beckwitt-bethesda-fire.html https://www.nytimes.com/2019/06/17/us/daniel-beckwitt-bet

That reminds me of this story https://www.nytimes.com/2019/06/17/us/daniel-beckwitt-bethesda-fire.html https://www.nytimes.com/2019/06/17/us/daniel-beckwitt-bethes... Being non-expert it's hard to judge the safety of the tunnel, but still it doesn't sound to me like a good idea.