Wearing hard hats, rehearsal tour visitors are greeted by a tall monster in the 'Terror Behind the Walls' haunted tour and live performances at the historic prison Eastern State Penitentiary in Philadelphia Wednesday, Oct. 11, 2000. The tour attracts thousands of teenagers and college students each October who just love to be scared. The annual event is so popular that the crumbling historic site makes more than half its operating budget during the five weeks of Halloween-related tours. 'It's really our meal ticket,'' said prison program director Sean Kelley.
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