Chongqing is abbreviated as "Yu" and "Ba", and is also known as Bayu, Mountain City, Yudu, Misty City and Bridge City. In the Qin Dynasty, it was called Jiangzhou. In the Sui Dynasty, it was called Yuzhou. In the Northern Song Dynasty, it was called Gongzhou.
Bayu culture is one of the most distinctive ethnic cultures in the upper reaches of the Yangtze River. The Bayu culture originated from the Ba culture, which refers to the regional culture formed by the Ba people and the State of Ba in the development of history. The Ba people have always lived among the great mountains and rivers, and the cultivation of nature and the treacherous environment have refined a kind of tenacious, tough and swarthy character, so the Ba people are known for their bravery and warlike behavior. Ba people's army to participate in King Wu of Zhou crusade against King Zhou of Shang (Yin) war, always singing the marching song, while dancing the dance of the charge, the courage to go forward, the ancient texts of the "King Wu of Zhou, before the song after the dance".