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 As the men pulling on the ropes jerk the obelisk forward, the pivoting log, a crucial part of Whitby's design, twists dangerously. If the log jerks forward any more, the obelisk will tumble over the edge of the ramp. The rigging team pounds on the log to move it back from the edge and into position. The men pull the obelisk forward again, and again the log jerks forward perilously. Previous Next How Big Were They? | Cutting Granite with Sand | NOVA Raises an Obelisk Lever an Obelisk | Explore Ancient Egypt | Mysteries of the Nile | Resources | Transcript Medieval Siege | Pharaoh's Obelisk | Easter Island | Roman Bath | China Bridge | Site Map Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |