Pinnacle tower to feature highest viewing platform in London

The 72-story Pinnacle tower in London’s business center, designed by Kohn Pedersen Fox (KPF) Associates, will feature the highest viewing platform in London, when it opens in 2013. Also known as the Bishopsgate Tower and the Helter-Skelter, the Pinnacle skyscraper, spiraling 288 meters upward from its base, will form the Continue Reading