This flock of giant white windmills is constantly turning in order to generate the massive amounts of energy needed to power the Plant and its subsidiaries. The grass doesn't grow on the hills at their bases. There's something kind of eerie and dreamish about the slow-turning blades in the heat, and a lot of high school and college kids think that it's 'cool' to risk growing tentacles so that they can have a picnic in 'the forest'.