When you think of a prison, you probably envision an expanse of concrete, metal bars, and tall barbed wire fences. But, on the grounds of the Women’s Huron Valley Correctional Facility in Ypsilanti, there’s also a huge garden. As part of our What's Working series, we speak with Ellen Baron, a horticulture instructor at the prison who teacher inmates how to plant crops. Once the food is grown, it's donated to a local food bank.