Introduction to Dragon Scale Shinto: The middle of Mingmingling Shinto is paved with bluestone, which symbolizes the dragon's spine, and is edged with pebbles on both sides, which symbolizes dragon scales. The curved road shape is organically integrated with the surrounding buildings, just like a huge yin and yang. Tai Chi diagram. In addition, the Feng Shui theory of the Ming Dynasty believes: "The road is also a key point in Feng Shui. When it is prosperous and crooked, it is auspicious, and when it is declining and dead, it is bad if it is hard and straight." After the emperor's soul passed through the Lingxing Gate, it flew into the sky, and the curved Shinto was like a A living, flying dragon.