The World's Tallest Structures

The issue of the world's tallest buildings, structures or skycrapers has always been a big debate, to give you a better classification and hhhmmm..clarrification, here's a better image to explain them.

In terms of absolute height, the tallest structure is currently the Burj Dubai, although it does not currently hold the official title of "Tallest Building in the World" until the building is officially opened. Completions is 4-5 years Click the picture for large view.