Snake's journey to the zodiac signs

The Year of the Snake is approaching! Many people are afraid of snakes, so why is the snake still one of the 12 Chinese zodiac signs? When was the zodiac status of the snake first determined? What artifacts related to snakes do you know of, and what rich connotations do they have? Archaeologist and President of Beijing Union University, Lei Xingshan, is a guest on Dialogues with Thinkers to explore and enhance our magical knowledge!