The article in the link below appears to be published today, but I think
I have seen it before or something very similar to it.
https://www.cnn.com/travel/article/vietnam-best-caves/index.html
You can view the photos at the links below and enlarge them by changing
the number 1100 in the
A eco-tour company called True Adventure Sports is
advertising trips to a privately owned cave called Manitou Cave in
Alabama for $ 30.
Trips happen about twice a month on either Monday or
Friday and either in the afternoon or evening.
i...@trueadventuresports.com