Ismael Medjdoub grew up in one of Paris' banlieues. He spends up to two hours a day commuting from his home in Tremblay en France to work and to school at the prestigious Sorbonne in Paris. Bilal Qureshi/NPR hide caption

itoggle caption Bilal Qureshi/NPR

Members of the Muslim community leave the East London Mosque after prayers before the start of the holy month of Ramadan in June 2014. The mosque has an estimated 7,000 worshippers. Rob Stothard/Getty Images hide caption

itoggle caption Rob Stothard/Getty Images

Rosa Parks, shown in Seattle in 1956, saved postcards from Martin Luther King Jr. and notes about carpooling during the Montgomery Bus Boycott. They're now being cataloged by the Library of Congress. Gil Baker/Courtesy of the Library of Congress, Rosa & Raymond Parks Institute for Self Development hide caption

itoggle caption Gil Baker/Courtesy of the Library of Congress, Rosa & Raymond Parks Institute for Self Development