ONE National Geographic Channel Think Again Recycle Bag
ONE National Geographic Channel Think Again Polo Tee
ONE National Geographic Channel Explorer’s Hat
DEADLINE: 30 September 2007
Watch Megastructures on every Thursday at 9pm!
The series highlights the ancient architectural triumphs and modern day marvels. 21st Century architectural icons, Megastructures evaluates these structures from the ground up. When looking to create a man-made wonder visible from space, what tricks do engineers have to create an artificial island chain in the shape of the world?
Answer one simple question on Mega Thursday: Megastructures and stand a chance to win Nat Geo premiums.