National Geographic: Vietnam's Mammouth Cave

An amazing planet that we live on.

I keep thinking to myself that the greatest part about this is that there is still so much to discover. So while this is truly grand, there is certainly more giant caves that await discovery and exploration. I can't help but be excited.

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After thousands, or millions of years (or whatever it is) of man exploring this tiny blue planet, it is amazing that something new is always found. Whether it be beautiful caves, new species of fish or wildlife, flora or lost tribes in the jungle. I wonder if everything will be found before the planet turns into nothingness.

Thanks for the link! A cave tour was a lovely way to start my day.

I'd seen some of these photos, but not all of them. They are jaw-dropping!

Awesome stuff! Thanks.

Thanks, this is awesome.

What a wonderful story! It's so awe-inspiring to me. Not only the magnitude of these but the diversity of the way the cave appears to be is amazing! There seem to be so many different ways this cave is, it's truly awesome.
And of course, we just found it! Think about how much is yet to discover.
How far does this cave lead? Where does it lead? Maybe it connects far way to other caves we know about.
Wonderful.

I keep going back and staring at the picture of the large cavern that is large enough to hold a half mile of 40 story buildings. That just blows my mind.

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Makes me think of an entrance to the centre of the earth.