We unveil the remarkable story of how China created a myriad of ingenious devices including cosmic machines able to collect data on the stars, hydraulic hammers, watercontrolled clocks, and mass production plants powered by water. See more in this twohour marathon from Ancient Discoveries.

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Tantalizing clues are making historians rethink the sophistication of ancient cultures. Explore ancient cars, superships, Egyptian warfare, ancient robots and more.

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