1km-high Skyscraper coming to Saudi Arabia

Inhabitat bring us a first look at the coming world's largest skyscraper designed by Adrian Smith + Gordon Gill.
Kingdom Tower at over 1,000 meters high, will dwarf the current world's tallest building, the Burj Khalifa in Dubai with its 828 meters.
Architecture firm Adrian Smith + Gordon Gill will design the supertall tower in Jeddah, Saudi Arabia, which will cost $1.23 billion dollars and It will be funded in part by Prince Alwaleed bin Talal.