Cayan Tower, known as Infinity Tower prior to its inauguration, is a 306 metres (1,004 ft), 73 story skyscraper in Dubai, United Arab Emirates by Cayan Real Estate Investment and Development. The tower is designed by Skidmore, Owings and Merrill SOM architectural group, the same group who did the concept design for the Burj Khalifa also in Dubai and Trump Tower in Chicago. Upon its opening on 10 June 2013, the tower has become world's tallest high rise building with a twist of 90 degrees.