[DoodleBob]

THAT, was one of the most interesting diversions from the election, virus, etc. I've had all year. Than you. It reminded me of I, Pencil.

[texas booster]

A couple of other time sinks:

Modern Marvels: America's (Secret?) Underground Structures
https://youtu.be/oW5R_U4DBOo

Lake Peigneur drilling “incident” from 1980
https://youtu.be/CPERnfB-q3o

[wildcard_redneck]

Here is an interesting video of the Lake Peigneur Drilling Accident in Louisiana that punctured a salt mine under the lake.

Lake Peigneur Drilling Accident