In July, Chongxue Road was not as busy as usual. Usually at 6:00 or 7:00 a.m., the road is already filled with traffic, especially in the vicinity of Chongxue Elementary School, Zhongxiao Junior High School, and Deguang Girls' High School. Whether it's a motorcycle carrying a child or a car carrying a child, the volunteers and parents are busy directing the traffic, and the whistles are blowing one after the other, which is a bustling scene, and the nearby residents have long since become accustomed to such a street scene. Recently, Chongxue Road has lost the sound of motorcycles, horns and whistles in the morning, and there are no crowds of people gathering there.

In the mid-nineteenth century, under the impetus of American educators such as Horace Mann, the United States carried out educational reforms such as the Unified Education System, and summer vacation in schools was one of the reforms, which was supported by the medical and psychological professions, who believed that the prolonged "pressure" on students was not conducive to growth, and that crowding together in the summer could easily lead to the breeding of contagious diseases. After half a century of hard work and social maturity, it was the right thing to do. As the United States transformed into an industrial society, transportation costs were reduced, the middle class emerged, and by summer