Orleans Tower Orleans Tower Orleans Tower (formerly Amoco Building), located at 1340 Poydras Street in the Central Business District of New Orleans, Louisiana, is a 20-story, skyscraper designed in the international style by 3D/International. The international style grew in popularity during the sixties and seventies after the world-renowned architect Mies Van Der Rohe designed the Seagram Building on Park Ave in New York City and Skidmore, Owings, and Merrill designed the Sears Tower in the heart of downtown Chicago. The building is primarily used for leaseable office space, with some retail space on the ground level. The design of the building can
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