This article on Detroit 's economic condition on the backdrop of hosting Super Bowl XL quotes a Wayne State professor. \"You have population density that\'s almost rural in spots, because there are some areas of the city that are almost totally vacant,\" said John Mogk, a law professor at Wayne State University who specializes in urban development and land use. \"In places, the prairie is taking over the land. It\'s not unusual to drive around the city and see pheasants running down the road.\"