As the saying goes, "long summer eats eggs, but stones can be crushed", which means that people who eat eggs are particularly energetic. And egg white is high-quality protein, and egg yolk is rich in lecithin, so eggs are very good nutritious food.
Summer solstice, also known as "Summer Festival" and "Summer Solstice Festival" in ancient times. In the 7th century BC, the ancestors used Tugui to measure the sun's shadow, which determined the summer solstice. The summer solstice is the earliest solar term among the 24 solar terms. The annual summer solstice begins on June 2nd1day (or 22nd) and ends on July 7th (or 8th).