The legendary crane is a kind of fairy bird. According to "Notes on Ancient and Modern Birds and Leopards", "Cranes turn pale in a thousand years, and turn black in another two thousand years. They are also called black cranes." This shows how long-lived the ancients thought cranes were. Therefore, the crane is often considered to be the representative of longevity among birds.
Pine was considered to be the longest tree in the minds of ancient people. It is also recorded in ancient books that "pines and cypresses have a heart, and they will not change the leaves throughout the four seasons." Therefore, in addition to being a kind of longevity, pine is also a kind of longevity. In addition to being a symbol, it is also often used as a representative and symbol of ambition and integrity. The symbol of "Songs and Cranes Prolonging Years" means prolonging life and longevity or showing integrity and high moral standards. It is also known as "songs and cranes come together in spring".
The combination of the two immortals means that the person is as noble and as long-lived as a pine and crane. Double Ninth Festival, also known as "Old Man's Day".
"Songhe and Double Ninth Festival" should be a blessing, not an idiom