August 3, 2010
Inside the greenhouse at the Washington State Penitentiary.
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The fields are projected to produce 80,000 pounds of produce within the next year.
Gray walls, guard towers and patroling armed correctional officers are the first things visitors notice when entering Walla Walla State Penitentiary. But just outside the intimidating walls of the inner-prison complex is a far less imposing structure -- a