There is a lake filled with sulphuric water sitting at the bottom. The air inside of the cave contains hydrogen sulfide which carried 100 times the amount of carbon dioxide than the surface. There are 33 unique species of animals and insects that live there. Most people who enter are pretty keen on leaving ASAP.
The Most Unexplainable Places on Earth
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The More You Know
- A cow-bison hybrid is called a "beefalo."
- If you take all the letters from the word "wizard" and swap them with opposite letters (a->z, b->y), it spells wizard backwards.
- Oxford University is older than the Aztec Empire.
- The space between your eyebrows is called the glabella.
Post originally appeared on Upbeat News.