Biggest Dam in the world. Caused the displacement of over a million Chinese. Some theorize that sediment buildup at its submerged base will cause it to fail within 30 years, causing one of the biggest man-caused disasters in history. Any civil engineers out there, please let me know what you think of these theories.
For the uninformed, here's some background:
3 gorges dam If anybody has any more meaningful info, please post.