Olympic Opening Ceremony training harsh

In the Olympic ceremony segment showcasing the Chinese invention of movable type, the nearly 900 performers who crouched under 40-pound boxes donned adult diapers to allow them to stay inside for at least six hours, Beijing organizers said.

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While in Beijing, the constant exposure to the dizzyingly hot summer resulted in heatstroke for some students, particularly during one rain-drenched rehearsal that stretched on for two days and two nights.

The students were kept on their feet for most of the 51-hour rehearsal with little food and rest and no shelter from the night's downpour, as the show's directors attempted to coordinate the 2,008-member performance with multimedia effects, students and their head coach told the AP.