An exhibition in Dubai is celebrating the history and future of the so-called “megatower.”

Love them or hate them, there is no denying they are impressive feats of engineering.

But do they actually create sustainable and community-oriented ways of living, or are they little more than viewing platforms providing tourists with a view from the clouds? Opinion is often divided.

The Middle East region seems to be a particular fan of these structures, with the 828-metre Burj Khalifa in Dubai currently standing proud as the tallest man-made structure in the world. It will not be long, however, before its crown is taken by neighbouring country Saudi Arabia, which is planning to build a tower more than one kilometre high. More info