Secrets Of Lost Empires (3): Inca

Feb 11, 1997 on PBS at 9:00 PM

Summary

Even without such technological advances as wheels, arches, draft animals, iron tools, or a system of writing, the Inca—utilizing a tradition of shared labor—achieved a number of engineering feats. The NOVA team explores both stonework and bridge bui... (more)lding, experimenting with dragging and fitting huge stones, and working with the people of an Andean village to create a suspension bridge made only of grass ropes.

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Secrets Of Lost Empires (2): Stonehenge
Season 24 Episode 4

Feb 11, 1997

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Secrets Of Lost Empires (4): Obelisk
Season 24 Episode 6

Feb 12, 1997