The Ziwei Palace, regarded as the "Palace of Palaces," set the standard for the layout and architectural design of Chinese imperial cities, influencing palace construction for centuries after the Sui and Tang dynasties (581-907). It was the longest-serving and most utilized royal palace in Chinese history. But why was it named Ziwei, a constellation in Chinese astronomy? How did Wu Zetian, the only female emperor in Chinese history, realize her political ambitions here? Let's find out in this video from Tang Architecture: Building Timeless Glory, an interactive digital exhibition by CGTN on architecture from the glorious era.