Chicago Loop store location in the Marshall Field and Company Building; the original Sullivan Center Carson Pirie Scott store location (closed February 21, 2007). Chicago's Downtown Theatre District is also found within this area, along with numerous restaurants and hotels. Chicago has a famous skyline which features many of the tallest buildings in the world as well as the Chicago Landmark Historic Michigan Boulevard District. Chicago's skyline is spaced out throughout the downtown area, giving it a graceful beautiful appearance. The Willis Tower, formerly known as the Sears Tower, the second tallest building in the Western Hemisphere, stands in the western Loop
Willis Tower unfinished World Trade Center to become the world's tallest building. The height was restricted by a limit imposed by the Federal Aviation Administration (FAA) to protect air traffic. The financing of the tower was provided by the Sears company. It was topped with two antennas to permit local television and radio broadcasts. Sears and the City of Chicago approved the design, and the first steel was put in place in April 1971. The structure was completed in May 1973. The construction cost about US$150 million at the time, equivalent to $ million in 2019. By comparison, Taipei 101, built in