What image does the Big Dipper represent in China's ancient poems?

Beidou consists of Shu Tian, Tian Xuan, Tianji, Tianquan, Yuheng, Kaiyang and Yaoguang. The ancients connected these seven stars and imagined them as barrels of wine in ancient times. Shu Tian, Tian Xuan, Tian Ji and Tianquan are composed of Dou Shen and Gu Yue Kui. Yuheng, Kaiyang and Yaoguang are composed of bucket handle, which was called Piao in ancient times. The Big Dipper appears in different directions in the sky at different seasons and different times at night, so the ancients decided the seasons according to the direction pointed by bucket handle at the beginning of fainting: bucket handle points to the east, and the world is spring; Guide to barrel handle, it's summer in the world; Bucket handle refers to the west, and the world is autumn; The barrel handle refers to the north, and it is winter all over the world.

This image is hard to explain. I suggest watching the documentary "The Big Dipper Boxing" to reveal the mystery of the Big Dipper, which will give you a detailed explanation.