On 26 April, the third park city forum and the sixth International High-level Forum on Sustainable Urban Development were held in Vientiane, bringing together a large number of eminent experts in urban areas, both within and outside the sea, to speak out to cities and sustainable development. How can the model urban areas of parks develop in high quality? The Chinese Academy of Sciences, a member of the University of South-East, and the professor of the University of South-East, have shared t...