Group 1 - The Qingming Festival marks the transition between mid-spring and late spring, embodying the cultural tradition of honoring ancestors and reflecting on the past [6][9] - During the Qingming season, the weather is clear and pleasant, making it an ideal time for outdoor activities such as flower viewing and spring farming [7] - There is a long-standing tradition of tree planting during Qingming, as the soil moisture and temperature are suitable for the survival of saplings [11] Group 2 - Eating Qingming rice dumplings, a local custom in the Jiangnan region, involves mixing mugwort, wheatgrass juice, and glutinous rice flour, resulting in a fragrant and not overly sweet treat [13]