everywhere. all you could hear were the sounds of birds, birds, birds, birds. that was very surprising to me. you couldn't escape it. >> the prison's garden-like grounds and collection of birds, including peacocks, are part of a renovation project. prison officials felt a relaxing natural environment could help their rehabilitation efforts. >> it did have, actually, a much calmer feel than i expected. the buildup was pretty big. serbia's biggest, most notorious prison, then here i am with peacocks and birds and cats wandering around. >> in fact, when we wandered into the prison's shoe factory where inmate workers make dozens