Uncover the secrets of ancient civilizations as NOVA journeys to an archaeological site where teams of experts use traditional techniques to test their hypotheses. Explore the magnificent mountainside citadels-- and marvel as villagers create a 150-foot suspension bridge using nothing but grass.

Special DVD features include: materials and activities for educators, access to the NOVA Web site, scene selections and closed captions.

On one DVD5 disc. Region coding: All regions. Audio: Dolby stereo. Screen format: Letterboxed.