Secrets Of Lost Empires (2): Stonehenge

Feb 11, 1997 on PBS at 9:00 PM

Summary

A distinctive feature of this stone site are the trilithons, which consist of two upright stones topped by a horizontal lintel stone. In this program, the NOVA team considers how to transport and raise the massive stones, as well as how to place the ... (more)lintel stone on top. By comparing different strategies and adapting ramps, levers, and other tools that might have been available to the ancient builders, the team works to meet the challenge.

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Secrets Of Lost Empires (1): Pyramid
Season 24 Episode 3

Feb 04, 1997

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Secrets Of Lost Empires (3): Inca
Season 24 Episode 5

Feb 11, 1997