清明为何适宜放风筝（二十四节气二十四问）

Group 1 - Qingming is the fifth solar term in the 24 solar terms, starting on April 4, 2025, characterized by clear weather and vibrant scenery [2] - Qingming is both a solar term and a festival, merging customs from the Cold Food Festival and the Shangsi Festival, including tomb-sweeping and spring outings [2] - The first flower sign of Qingming is the Paulownia flower, which symbolizes the passing of spring [3] Group 2 - The second flower sign of Qingming is the wheat flower, which is classified as an "incomplete flower" due to its lack of petals and sepals [3] - The third flower sign is the willow flower, known for its light yellow color and the white catkins that follow [3] - Qingming is a time when nature flourishes, making it ideal for activities like kite flying, as described in ancient poetry [3][4] Group 3 - Kite flying during Qingming is a tradition that has evolved from ancient practices, with the earliest kites believed to be created by Mozi or Lu Ban [4] - The term "kite" is thought to have originated during the Five Dynasties period, with the first paper kites made in the imperial court [4] - By the Tang Dynasty, kite flying had become popular, with many poems celebrating the activity [4] Group 4 - The climatic conditions during Qingming, including increased solar radiation and suitable winds, contribute to the popularity of kite flying [5] - The practice of kite flying also aligns with traditional health practices, providing a way for people to enjoy the outdoors and relieve stress [5] - In some regions, kite flying is associated with customs of good luck, symbolizing the release of bad luck when the string is cut [5]