Scientists predict that there will be astronomical wonders in 2040, but some people think that it also indicates 2004.

Brocade from Sichuan refers to silk jacquard brocade produced in Sichuan (Chengdu, Sichuan). Shu brocade is mostly woven with dyed mature silk thread, with warp, color bar or color bar, combined with geometric pattern organization and decoration.

Sichuan was called "Shu", "Shu Kingdom" and "Can Cong Country" in ancient times, which was the earliest birthplace of sericulture and silk industry and one of the birthplaces of China silk culture. Shu brocade flourished in the Spring and Autumn Period and the Warring States Period, and flourished in the Han and Tang Dynasties. It was named after it was produced in Sichuan. In the production of traditional silk brocade in China, it has the longest history and the most far-reaching influence.

Brocade silk fabrics originated in Chengdu, Sichuan, China during the Warring States Period have a history of 2000 years. Most of them are warp-colored, stripe-colored, warp and weft-colored, stripe-first and brocade-colored, with square, stripe and geometric skeleton, with symmetrical patterns, continuous in all directions, bright colors and strong contrast. It is a colorful brocade with China national characteristics and local style. It is called the four famous brocade in China together with Yunjin in Nanjing, Jin Song in Suzhou and Zhuangjin in Guangxi. In 2006, Jin Shu's knitting skills were approved by the State Council to be included in the first batch of national intangible cultural heritage list. Jin Shu Weaving and Embroidery Museum is the inheritor of Jin Shu craft. Shu brocade is also the predecessor of traditional Japanese national treasure handicraft Kyoto Xizhan weaving.