The agricultural prison at Kassandra, Greece covers 420 hectares (about 10 golf courses). The prisoners there are totally self-sufficient: they plant all manner of crops and fruit trees, raise cows, sheep, and fowl, produce cheese, do carpentry, produce their own food, and handle all of the sewage treatment.
以希臘勘參德拉（Kassandra）農場監獄為例，佔地 420 公頃（約 10 座高爾夫球場）的廣袤農場中，栽植多種農作、果樹，畜養牛羊禽鳥、生產乳酪製品、木工、自製糧秣、廢水處理……。