COP15 venues open to public for free

Visitors take photos at the Kunming Dianchi International Convention & Exhibition Center, a venue of the 15th meeting of the Conference of the Parties to the United Nations Convention on Biological Diversity (COP15), in Kunming, southwest China's Yunnan Province, Oct. 18, 2021.

People visit the Kunming Dianchi International Convention & Exhibition Center, a venue of the 15th meeting of the Conference of the Parties to the United Nations Convention on Biological Diversity (COP15), in Kunming, southwest China's Yunnan Province, Oct. 18, 2021.

People visit the Kunming Dianchi International Convention & Exhibition Center, a venue of the 15th meeting of the Conference of the Parties to the United Nations Convention on Biological Diversity (COP15), in Kunming, southwest China's Yunnan Province, Oct. 18, 2021. 

In pics: rainbow over Yellow River's Hukou Waterfall in Shaanxi 2021 World Sichuan Cuisine Conference held in Chengdu