There’s a limit to how far cities can expand outwards, and the only solution is to keep building higher and higher. Skyscrapers are now a common feature in large cities almost everywhere you go… but each one that’s built comes with its own design challenges and hurdles that require new approaches to overcome.

Join us, as we countdown the top 15 most innovative skyscapers and don’t forget to share this one also with your friends. BTW follow us also on Facebook, Pinterest or Instagram!