参考答案：

　　Ching Ming Festival (the Tomb-sweeping Festival), the custom is full of interesting. In addition to pay attention to ban fire, tomb-sweeping, as well as spring outing, swinging, Cuju, playing polo, Liu inserted a series of custom sports. According to legend, this is because the Ching Ming Festival to Cold Food Observance ban fire, in order to prevent the Cold Food Observance buffet beverages, so we come to participate in some sports, in order to exercise. Therefore, this festival which has both the acid tears of sorrow for the died and the laughter from the players, is a distinctive holiday.