World's Most Powerful Dam
DVDrip | English | 60:00 min | 720x480 | PAL (25fps) | DivX | MP3 - 128kbps | ~ 400 MB
Megastructures takes an eye-popping look at some of the greatest structures and machines ever created. Get inside these superstructures, and uncover the cogs, gears, bells, and whistles that make them work. Go behind-the-scenes with National Geographic, and learn about all the stops and starts that went into creating these engineering triumphs and the seemingly simple construction materials that take them from idea to incredible.