Why is a tunnel called a "tunnel"?

-------------------------------------------------------------------------------
Become or hire the top 3% of the developers on Toptal https://topt.al/25cXVn
-------------------------------------------------------------------------------

Track title: CC P Beethoven - Piano Sonata No 2 in A

--

Chapters
00:00 Question
00:32 Accepted answer (Score 80)
02:00 Answer 2 (Score 38)
05:04 Answer 3 (Score 21)
05:18 Thank you

--

Full question
https://superuser.com/questions/1190324/...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#networking #tunnel

#avk47