The most basic feature of the dragon image is "nine similarities", and these nine animals are still controversial. Legend has it that it can be hidden, detailed and huge, short and long. The vernal equinox ascends to the sky, the autumnal equinox dives into the deep, and it calls for rain, and these are the images of dragons developed in the later period, which are more complicated than the original dragons.
Extended data
Image of dragon: From the cultural era without credible history to Shang Dynasty, Western Zhou Dynasty, Warring States Period and Pre-Qin period, vessels and decorations about the image of dragon have been emerging one after another, with wings, wings, horns and horns. There are more beast dragons in Liangzhu culture and snake dragons in Chahai ruins, and their images are also different. Therefore, some scholars believe that there are many origins and sources of dragons.
The image of the dragon in the Western Han Dynasty (including Wang Mang's period) is as slender as a snake, with no tail and no fins at the tail. The head is like a crocodile, and the whole body is slender. There are two kinds: winged and wingless. Some corners are like horns, slender and slightly curved at the front end. The upper and lower jaws are equal in length, and the upper and lower lips roll up and down respectively. There are two kinds of wings. The wings are bird-shaped. The legs of animals are short and thick. Feet are divided into animal feet and eagle feet, three toes.