It is unified under Emperor Wen of Sui, for whom the dynasty is known, and similar to the Qin, what the Sui are most known for as taking this chaotic period and finally unifying China. And the Sui are ethnically Han, and they lay the foundation for another Golden Age of China under the Tang and the Song Dynasties. The Tang Dynasty depicted here, it rivals the Han as a Golden Age of China. It's a time where the arts, the sciences, really come about. Now one interesting thing about this Six Dynasties period that we talk about, which is a chaotic time, it is a time that Buddhism starts to come into China from Central Asia, originally from India, and by the Sui and the Tang, it really takes hold. Now one of the most important innovations that comes from Tang China is the notion of block printing. What you see depicted here is one of the first books that ever printed, the Diamond Sutra, during the Tang Dynasty.