Chicago's Trump Tower built with concrete

Concrete has been instrumental in the building of many beautiful and architecturally progressive structures, such as the Guggenheim Museum in New York City and the Sydney Opera House in Australia. The construction world's latest concrete masterpiece comes in the form of Chicago's Trump Tower, the city's second tallest skyscraper and North America's tallest concrete-reinforced building. If you want to learn more about the construction of Trump Tower and read some interesting facts -- such as how many cubic yards of concrete were used in building the behemoth -- read this article about the completion of the building.