Kun and Peng are both magical creatures in ancient legends of China. Kun, representing big fish, symbolizes the vastness and mystery of the deep sea. Peng is a big bird, symbolizing the infinity and freedom of the sky. Although they are legendary creatures, Kun and Peng have different meanings and symbolic meanings. Kun shows the depth and tolerance of the ocean, while Peng shows the loftiness and freedom of the sky. Together, they constitute the ancient people's romantic imagination of the natural universe.