Group 1 - The fourth Dialogue on Civilizational Exchange and Mutual Learning was held in Dunhuang, showcasing the enduring vitality of Chinese civilization through cultural exchanges and modern innovations [1][6] - Participants visited historical sites along the Silk Road, including Mogao Caves and Jiayuguan, experiencing the rich cultural heritage and the integration of ancient and modern elements [1][3] - The event highlighted the significance of the Silk Road as a conduit for cultural exchange and the contemporary relevance of the Belt and Road Initiative [3][4] Group 2 - The innovative immersive performance "Dynamic Dunhuang" utilized advanced technologies like holography and 3D projection to recreate scenes from ancient murals, enhancing the cultural experience for attendees [4][6] - The development of renewable energy projects, such as the 100 MW molten salt tower solar power plant in Dunhuang, was showcased, emphasizing China's commitment to green energy and ecological civilization [7][9] - The dialogue facilitated discussions on international cooperation in green energy, with representatives from various countries expressing interest in collaborating with China on renewable energy initiatives [9]