He went inside a cave. Then, they sealed him inside.

Thanks to Opera for sponsoring this video. Click here https://opr.as/Opera-browser-brew to upgrade your browser for FREE! Crawling in the compressed tunnel, John was having trouble. The tunnel was getting too narrow to turn back, so he had to go onwards in hopes of getting unstuck. Unfortunately John never made it out. What went wrong? Let’s get into it. For more videos with medical head scratchers, weird historical incidents, unsolved mysteries, myths debunked, and science explained, please subscribe to our channel! https://www.youtube.com/c/BrewSolves?... Sources: https://rentry.co/egns7mq3 [Music Licensing] Code: TIUZXFJ1XDO9AIBG, SPEUZPPAVQ7SAMHO, LOWJPAFQUGP4F8JV, RXRNFZ1XETPQK7DE