What is the symbol of peach? How did firecrackers come from?

The ancients wrote the names of "Shen Tu" and "Lei Yu" Er Shen on mahogany boards, or painted the image of Er Shen on paper, hung it, inlaid it or posted it at the door to pray for good luck and eliminate disasters. It is said that mahogany has the function of suppressing evil spirits and exorcising ghosts. This is the earliest symbol of peach.

Since gunpowder appeared, people have filled bamboo tubes with saltpeter, sulfur and charcoal.

firecracker

firecracker

Combustion produced an "explosive war". In the Song Dynasty, people began to make "firecrackers" by wrapping gunpowder with paper tubes and hemp stalks. Regarding the evolution of firecrackers, Excellent Popular Arrangement records: "Ancient firecrackers. They are all popular with real bamboo, so Tang poetry is also called explosive pole. Later people roll paper for it. It's called firecrackers. There are also legends that firecrackers originated from firecrackers. Since ancient times, there has been a saying that a long time ago, a beast named Nian appeared on the night of the Lunar New Year's Eve every year. In order to scare away this beast, people burn bamboo joints at home (or put red objects outside the house). Because the air in the bamboo cavity is heated and expanded, the bamboo cavity bursts and makes a loud noise to drive away Nian beast. With the invention of gunpowder, gunpowder firecrackers replaced the past bamboo firecrackers.