What is the symbolism and meaning of the traditional Chinese dragon dance and the dragon pearl in front of it?

The Chinese nation is the world's most populous country, the world wherever there are Chinese people living in the "dragon" as an auspicious object, in the festival, congratulations, blessings, exorcism, sacrifices to the gods, temple fairs and other periods, there are "dragon" dance custom.　This is because the dragon is the totem that the Chinese people have worshipped for generations. In ancient times, the Chinese people regarded the dragon as a magical creature that can move clouds and rain, and eliminate disasters and bring good fortune. For thousands of years, the descendants of the Yellow Emperor have called themselves "the descendants of the dragon". The dragon beads in the front play a guiding role.