单依纯：唱开幕式主题歌有很多美好感受，大湾区有生生不息的活力

Core Viewpoint - The theme song "Tianhai Yixin" for the 15th National Games was officially released, showcasing the cultural vibrancy of the Guangdong-Hong Kong-Macao Greater Bay Area [1] Group 1: Event Details - The opening ceremony of the 15th National Games will take place on November 9 at the Guangdong Olympic Sports Center [1] - The song will be performed by singers Zhou Shen and Shan Yichun during the ceremony [1] Group 2: Cultural Significance - Shan Yichun expressed her admiration for the Greater Bay Area's food and culture, highlighting the region's vitality and cultural fusion [1] - The song aims to reflect the new image and spirit of the youth, encouraging more people to engage in sports [1]