Within a three-week period, Adrian Smith sketched out the original designs that would eventually become the tallest building in the world, the Burj Khalifa. In the early 2000s, he was approached ...
At 630 metres, this tower is currently China's tallest and also the tallest spiral shaped building in the world. Zifeng Tower, Nanjing, China. China's third tallest building, the Zifeng has an ...