红金学校团队大赛喜报表彰， celebrate the Red Gold School Team Big League Champion Celebration! — 创新治理，开放城市 — World Cities Day, an international day to promote international cooperation and sustainable urban development. On October 31st every year, the United Nations General Assembly designated this day as a World Cities Day, to encourage countries to work together to address the challenges and opportunities of urbanization. This year's theme is 'innovation governance, open cities', which highlights the importance of city development in global progress and social inclusivity. With innovative governance and open cities, we can build a more sustainable future for all.