Willis Tower, Chicago: All you need to know

Introduction

Willis Tower is also known as Sears Tower and was built between 1970-1974. This tower is located at 233 South Wacker Drive, in the district of Chicago, Illinois, United States. The total height of this tower is 5273 m that includes the roof height of 442.14 m and the top floor height of 412.69 m. The weight of this building is 225,000 tons and inside the building, there are 104 elevators. It cost about 175,000,000 dollars to build this tower which proved to be quite a lot of money at that time. People behind the construction of this tower were - Fazlur R. Khan, the Structural Engineer; Myron Goldsmith, the Engineer along with architects named Owings and Merrill Skidmore, Bruce Graham. Moreover, this tower was developed by Sears, Roebuck & Company who were the largest retailer in the world with 350,000 employees. This tower became a business hub for a lot of companies in Chicago and till now it remains a core of activity in Chicago...

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Most Famous Buildings in the United States (2020)

1. Empire State Building, New York - It became the world’s tallest office building at a height of 204 feet and was built between 1930 and 1931. They built its upper tower for airships at that time when Transatlantic airship was considered to be a future vehicle as a mode of transportation. Despite its huge size, it took 20 months for its construction to complete. Soon after the demolishment of the Waldorf-Astoria hotel, the construction of this building gained momentum and it was completed way ahead of schedule. The construction of this building consisted of trucks carrying sixteen thousand partition tiles, 5000 bags of cement, 450 cubic yards of sand and 300 bags of lime that arrived at the construction site every day. This tower has also been named as one of the Seven Wonders of the Modern World by the American Society of Civil Engineers (ASCE)...

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