As of 2022, what is the world's longest cave system?

Been there, twice! Amazing natural beauty! Go and see!

Went to Mammoth Cave for my Senior class trip in 1956. Beautiful!

Incredible! I would like to explore those some day! I think there's a better chance I'll hike to the north pole though but maybe in another life!

Alpo, Wrong! He and his Team Found one. They did not Make one by digging or blasting! Have you ever been inside a large cave? It is very easy, and dangerous, to become lost because of these connections. Some connection are small and require crawling on hands and knees thru small tunnels that then open up into large rooms with multiple off shoots.

Spiders bats and snakes ?

I am very fast because I know if this is a big letter so I pressed it then it says correct

So the length isn't natural John Wilcox had them connected. Americans are so egotistical always claiming to have the tallest or the biggest or the longest.

didn't know

Player #4547841, " . . . than I hiking. . ." But, I would for the lot of you, ditto.