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No motor? No problem! In India, this ferris wheel is powered by men climbing up and using their body weight to rotate the wheel.
I guess you'd want to try this ride early, since the operators must be exhausted at the end of the day!
From the Upcoming ueue, submitted by Christophe.
If you tried to do this now days, the government would put a stop to it; someone could get hurt. Enforced mediocrity.