Sears Tower. When it finished costruction in 1973 it beat the World Trade Center in New York City to become the tallest building in the world. The London-based Willis Group Holdings secured the naming rights to the nations tallest skyscraper formerly known as the Sears Tower as part of its agreement to lease 140000 square feet of.
3 acres Project Area. When it finished costruction in 1973 it beat the World Trade Center in New York City to become the tallest building in the world. Sears Tower Structural WondersLauren Diemer Hidden EmotionsHelen Omofoma Adventures In AfricaWHG.
Spectacular views The Ledge and photo ops make Skydeck Chicago a most.
Commercial Office 38 million rentable square feet 89 acres 159000 square feet of retail space. Sears tower was designed with a bundled tube system the system provided strength for the structure and saving Sears 10mllion. Though the building is now officially known as the Willis Tower after being acquired in 2009 its still commonly referred to by its former name the Sears Tower. Feel Chicago literally at your feet from The Ledgeknee-buckling glass-floor balconies 103 floors over the city.
