Mountains and rivers symbolize peace and longevity, pray for peace and send blessings to China. The record of the vastness, diversity, ancient specialty and symbolic significance of cranes can be summarized as good flying, long life and elegance. Crane has a lofty position in China culture, especially the red-crowned crane, which is a symbol of longevity, auspiciousness and elegance. The ancients called cranes expensive birds with high quality. In myths and legends, cranes can live for thousands of years, so they are regarded as the embodiment of longevity and good luck, second only to phoenix, and cranes and turtles are regarded as the king of longevity.