Wrld's largest cave deep in Vietnamese jungle, some awesome pictures.
Big F'n Cave

Silver medalist.

Yeah, I was thinking of huge twats like the Texas Tunnel or Florida Sinkhole from Hustler back in the day.

Those are astounding pictures, thanks for posting this.

I've had a few friends who were into caving as a hobby but I was always too scared to join. I try not to be underground unless I have to be. This cave probably wouldn't make me feel claustrophobic.

Nice picture....And jesus that cave is huge....I wonder if we could all go there and set up a new life for ourselves...THE CAVE PEOPLE!