During the late 1800s, industrialization transformed cities across the United States. Things most of us take for granted, like sanitation, skyscrapers, and window shopping, were just starting to enter urban life. What did cities look like during this time of rapid growth and change? What was it like to walk down those streets? In the first of two episodes devoted to turn of the century Chicago, Margaret Garb, associate professor of history at Washington University in St. Louis, brings the "city of the big shoulders" to life.