What is the difference between the ancient Qingming Festival and the modern Qingming Festival?

Difference 1: Before the Tang Dynasty, the Cold Food Festival and the Qingming Festival were separate, and tomb-sweeping was a matter of the Cold Food Festival. Difference 2: In ancient times, there were many customs in Qingming, such as trekking, kite flying, playing polo, planting trees, planting willows, swinging on swings, playing cuju and so on, which are now basically replaced by tomb-sweeping. Difference 3: the ancient Qingming Festival, folk taboo make needle, taboo laundry, most areas of women avoid walking. Difference four: the ancient Qingming is 108 days after the winter solstice, now unified in the calendar on April 5th.