examples are the high Jin Mao Tower, the high Shanghai World Financial Center, and the high Shanghai Tower, which is the tallest building in China and the second tallest in the world. Completed in 2015, the tower takes the form of nine twisted sections stacked atop each other, totaling 128 floors. It is featured in its double-skin facade design, which eliminates the need for either layer to be opaqued for reflectivity as the double-layer structure has already reduced the heat absorption. The futuristic-looking Oriental Pearl Tower, at , is located nearby at the northern tip of Lujiazui. Skyscrapers outside of Lujiazui include the White Magnolia Plaza in Hongkou, the Shimao International Plaza in Huangpu, and the Shanghai Wheelock Square in Jing'an. Politics Structure Like virtually all governing institutions in mainland China, Shanghai has a parallel party-government system, in which the Party Committee Secretary, officially termed the Communist Party of China Shanghai Municipal Committee Secretary, outranks the Mayor. The party's committee acts as the top policy-formulation body, and is typically composed of 12 members (including the secretary), and has control over the Shanghai Municipal People's Government. Political power in Shanghai has frequently been a stepping stone to higher positions in the central government. Since Jiang Zemin became the General Secretary of the Chinese Communist Party in June 1989, all former Shanghai party secretaries but one were elevated to the Politburo Standing Committee, the de facto highest decision-making body in China, including Jiang himself (Party General Secretary), Zhu Rongji (Premier), Wu Bangguo (Chairman of the National People's Congress), Huang Ju (Vice Premier), Xi Jinping (current General Secretary), Yu Zhengsheng, Han Zheng, and Li Qiang. Zeng Qinghong, a former deputy party secretary of Shanghai, also rose to the Politburo Standing Committee and became the Vice President and an influential power broker. The only exception is Chen Liangyu, who was fired in 2006 and later convicted of corruption. Officials with ties to the Shanghai administration collectively form a powerful faction in the central government known as the Shanghai Clique, which has often been viewed to compete against the rival Youth League Faction over personnel appointments and policy decisions. However, Xi Jinping, successor to Hu Jintao as General Secretary and President, was largely an independent leader and took anti-corruption campaigns on both factions. Administrative divisions Shanghai is one of the four municipalities under the direct administration of the Government of the People's Republic of China,