Wuhan Greenland Centeris a 636-metre-tall (2,087 ft) 125-storey skyscraper currently under construction in Wuhan,China.In June 2011, Adrian Smith + Gordon Gill Architects in conjunction with Thornton Tomasetti Engineers won the design competition to build the tower for Greenland Group. The design has many energy saving features. The building's height was increased to 636 m, and is expected to become the tallest building in China,surpassing Shanghai Tower.The expected completion date is 2018.