Board Thread:General Discussion/@comment-27524978-20160701164517

Ladies and gentlemen, put your science caps on.

I've been thinking about this for a long time, and I've wanted to create this discussion in case anyone was wondering the same thing.

How the biology works in the underground is rather strange and questionable, such as how it's able to produce snow, waterfalls and lava together all in one giant cave, and how trees are able to grow without sunlight.

However, there is supporting evidence that climate and weather systems underground, such as cold in Snowdin while hot in Hotland, are actually possible.

There are two known caves systems that have their own weather and climate: Er Wang Dong, which is confirmed to have its own clouds and weather which is in China and Hang Son Doong, actually dubbed the largest cave in the world, which is in Vietnam.

Here's some information about Er Wang Dong and here's some about Hang Son Dong. Also check out this video. It's pretty cool.

Since the Underground is supposed to be pretty big, it's possible for it to have snow and rain.

But in those two caves, there's actually leaking sunlight which helped all the plants in there grow. While in Undertale, there's barely any. And there's still no explanation for the lava in Hotland that's right next to a very damp area.

Does anyone else have any evidence as to why or why not the Underground could exist here? Would love to see your replies. 