Modern Marvels Season 10 Episode 36
Watch Modern Marvels Season 10 Episode 36 full movie online free in HD with English subtitles – no download needed.
Modern Marvels: The Sears Tower, located in Chicago, was finished in 1973. It was the tallest building in the world for over 20 years, and remains the tallest building if you look at highest occupied space. See how the Sears Tower was conceived, designed and built and see how a cigarette pack was the basis for one of Chicago's most unique buildings.