Please choose one of the following traditional festivals, briefly introduce its holiday customs, and put forward at least one suggestion on how to make this traditional festival look brand-new.

Qingming: The customs in Tomb-Sweeping Day are rich and interesting. In addition to prohibiting fire from sweeping graves, there are also a series of folk sports activities such as hiking, swinging, cuju, polo and planting willows. According to legend, this is because Tomb-Sweeping Day wants to ban cold food and fire. In order to prevent the harm of cold food and cold meal to people, we all take part in some sports activities to exercise. Therefore, this festival is a distinctive festival, with both sad tears to sweep graves and laughter for an outing.

Dragon Boat Festival: Dragon Boat Festival is a traditional festival of Han nationality in China. It was originally a festival to drive away the plague in summer. Later, the activities gradually evolved into eating zongzi, dragon boat racing, hanging calamus, wormwood, mugwort leaves, smoking atractylodes rhizome, angelica dahurica and drinking realgar wine.

Mid-Autumn Festival: Enjoy the moon, eat moon cakes and enjoy osmanthus, solve riddles on the lanterns.

Double Ninth Festival: The ninth day of the ninth lunar month is the traditional Double Ninth Festival, also known as "Old People's Day". Customs vary slightly from place to place, such as "enjoying chrysanthemums, climbing mountains, drinking chrysanthemum wine, eating Chongyang cake and inserting dogwood". (Only answer two questions, the answer is not unique)

Holiday suggestion: "omitted".