The river is made of hydrogen sulfide. As hydrogen sulfide is much denser than water, it stays at the bottom and creates its own river. However, hydrogen sulfide is classified as a level 4 in the MSDS, and is very dangerous. Definitely not something you want to go take a dip in.
Spongebob makes so much more sense now.
This is an underwater river in Mexico.
My heart rate:
Talking to your crush:
Seeing your crush with someone else:
Come to think of it.. Rebecca Black didn't brush her teeth. She just woke up, ate a bowl of cereal and left home.
At least Ke$ha brushed her teeth with a bottle of jack, classy bitch.
The feeling you get when you force yourself to stay awake in a boring class.