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The Gregorian calendar is Tomb-Sweeping Day before April 5th every year, which is one of the 24 solar terms. This is Tomb-Sweeping Day on April 4th. In 24 seasons, it is also the only night in Tomb-Sweeping Day. The traditional festival in China is also the most important festival of sacrifice. According to the ancient tradition, people should bring fruits to the grave, especially to the cemetery, put the food offered in front of their families' graves, then incinerate the things placed in front of the graves, put in new soil, break some branches in front of the new green graves, and then kowtow and salute, especially when they go home to eat sacrifices for the last time.

Tomb-Sweeping Day, also known as the outing festival, is also a season of spring and a good time for people to go for an outing, so the ancients had a series of sports activities for an outing. Even today, in Tomb-Sweeping Day, the custom that our ancestors had relatives is still prevalent.