为什么秋天的月亮格外皎洁？（把自然讲给你听）

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From 25th to 26th September, the "Global Mayors Dialogue·Hangzhou" and the 9th Hangzhou International Friendship City Mayor Forum were held in Hangzhou, Zhejiang. What did the mayors(representatives) from 24 cities in 15 countries(regions) talk about? What are the highlights of this special mayors’ conference? Ailan, a special foreign anchor from Indonesia, brought the answer with her camera.(Wu Junyi）