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You grit your teeth and fix your eyes on the observation platform as you wait for the chain to reach the end of its arc. Upon the instant the momentum stops, you release your grip and hurtle through the air towards the platform’s rail. You have timed your jump to perfection. You skim the rail and land on the metal floor, roll over to lessen the impact, and then spring to your feet and run towards the inviting darkness of the doorway which services this platform.
