What are the subtle phrases for Tomb-Sweeping Day to be a swallow?

Falling Flowers Independent, Swift Qi Fei.

Qingming is one of the twenty-four solar terms, which means that a hundred herbs sprout, and Ming means that spring is beautiful. That is to say, on the Qingming Festival, the weather began to get warmer, and the vegetation began to flourish. It was just the time for the swallows to move back to Tomb-Sweeping Day. Shandong and other regions have the custom of kneading flour swallows in Qingming. Mix flour with food dyes, then knead the flour into the shape of a swallow, and then process the shape into the mouth, wings and so on of the swallow. After the swallows are cooked, they should be steamed in a pot to express people's joy at the coming of spring and look forward to a good weather this year.

According to legend, noodle swallows are made to commemorate meson push. In Tomb-Sweeping Day, women used to make noodles and swallows together. Swallows are beautifully made, with tails and eyes, lifelike and different shapes.