Core Points - The 15th National Games and the 12th National Paralympic Games countdown ceremony was held in Shenzhen, marking 100 days until the events [1][2] - The event aims to showcase the unique characteristics of the Guangdong-Hong Kong-Macao Greater Bay Area and highlight the collaborative efforts of the three regions [2] Group 1: Event Overview - The organizing committee has entered a critical phase of preparation, emphasizing political responsibility and historical mission [1] - The event will feature various elements such as the torch, medals, and ceremonial attire, all designed to reflect the cultural heritage and collaborative spirit of the Greater Bay Area [2] Group 2: Collaborative Efforts - Leaders from Hong Kong and Macao expressed confidence in the successful execution of the events through cooperation among the three regions [2] - The design of the torch symbolizes unity and prosperity, representing the cultural integration and collaborative development of the Greater Bay Area [2] Group 3: Infrastructure and Volunteer Support - The Guangdong competition venues have been fully upgraded, with accessibility standards met and 30,000 volunteers ready to assist [1] - There are ongoing urban quality improvement projects, with 1,160 initiatives currently in progress [1]