The Kingkey 100 (Chinese: 京基100), formerly known as Kingkey Finance Center Plaza, is a skyscraper in Shenzhen, Guangdong province, China. It is located in Shenzhen's Luohu District in an area which can be described as the financial district. The building was designed by Terry Farrell and Partners and it was completed in 2011. The mixed-use building rises to 441.8 metres (1,449 ft) and contains 100 floors for office space and a hotel. Out of those 100 floors, 68 are used for 173,000 square metres (1,862,157 sq ft) of Class A office space, 22 stories for St. Regis Hotel, a 35,000 square metres (376,737 sq ft) six-star business hotel and the top four floors of the skyscraper hold a garden and several restaurants. Adjacent to the Kingkey 100 building is the KK Mall, which opened its doors November 26, 2010, and contains luxury brand stores, restaurants and a supermarket. The KK Mall also hosts Shenzhen's first IMAX cinema. It is currently the tallest building in Shenzhen as well as being the 9th tallest building in the world. It has a water fountain in front of the building, and an observation deck near the top.