What does it mean to send plum blossoms at the opening ceremony?

It expresses the character of firmness, nobility, firmness and modesty, and gives people the motivation to work hard.

Plum blossom introduction:

Mume, also known as Prunus mume, alias: Chun Mei, Prunus mume, Prunus mume, small trees of Rosaceae and Apricot, sparse shrubs, smooth bark, light gray or green; Branchlets are green, smooth and hairless. Plum blossom originated in southern China, with oval or oval leaves, and has been cultivated for more than 3,000 years. There are many varieties of ornamental trees and fruit trees. Many species are not only cultivated in the open field for viewing, but also cultivated as potted flowers to make plums, which are also called "four gentlemen" with orchids, bamboos and chrysanthemums. Also known as "three friends of old age" with Matsuzaka. Mei, with her noble, strong and modest personality, gives people the motivation to make progress. In the cold, before the flowers bloom, the world is lonely, and spring has come.