1. Phoenix spreading its wings is also called Phoenix Laiyi, which means that the Phoenix is ??flying and dancing with graceful appearance. In ancient times, it was used to describe auspicious signs and auspicious feelings.
2. Source:
(1) "Hanshu·Wang Mang Biography": "The dew comes from the world, the sweet spring comes from the earth, the phoenix comes to the ceremony, the god descends to gather."
(2) "Shang Shu·Yi Ji": "90% of "Xiao Shao", the phoenix comes" "The Romance of the Three Kingdoms" Chapter 80: "Since King Wei came to the throne, the unicorn was born, the phoenix came." ”