This is an interesting video I ran across on YouTube. It was produced by National Geographic, though from which show is unknown. I’d like to see the rest of the documentary this is from. If anyone knows the title, I’d be grateful if you could tell me.
The above license covers all text, audio, and certain images, unless otherwise noted. Such media are TM and (C) 2007-2011 WonderGoon. Videos and certain still images posted on this site are TM and (C) of their respective owners. Use of any copyrighted materials does not constitute a challenge to those copyrights.
Please, if you are going to cite my blog, please give credit where it is due.