Impossible Engineering S07 E04 NYC Mega Tower (111 W. 57th Street)

The skinniest skyscraper in the world at 111 W. 57th Street, New York, will soon become the Big Apple's third tallest. Using an innovative, gravity-defying design, this colossal megastructure is breaking all the rules of engineering. Can engineers find a way to build this ultra-tall slender building?