It’s one mile long and 670 feel tall.

- It will have 12 lanes for traffic.

- It will cost $817 million dollars.

- The design has been approved by Sheik Mohammed.

- The bridge will carry more than 2,000 vehicles per hour in each direction.

- A metro line will run across the middle.

Construction is slated to being in March, and will hopefully be completed in 2012.All images and facts provided by Fxfowle, the New York based architectural firm behind the project.

Sky City Is one of the most amazing projects civil engineers have ever imagined.It will not only change the way people use to live but will also start add a new horizon in the limitations of human thinking.

Following five videos are showing the Extreme Engineering : City In A Pyramid