Caitlin Abrams Skyway Scrutiny The podcast 99% Invisible turns its design eye on the skyways of downtown Minneapolis and St. Paul to consider the history and consequences of moving people and commerce off the sidewalks. Popular design-focused podcast 99% Invisible turned its attention above the streets of downtown Minneapolis and St. Paul this week for an episode that chronicles the history and consequences of the skyways. It’s a fascinating look at factors beyond relief from the cold that led to the creation of the largest contiguous skyway system in the world; weighty, difficult factors like the threat of suburbanization and fear of diversity.