Plants are an indispensable part of the ecological cycle on Earth. For hundreds of millions of years, the "plant kingdom" has been expanding and adapting, showing the vitality of life. As the 15th meeting of the Conference of the Parties (COP15) to the United Nations Convention on Biological Diversity begins in Kunming City, southwest China's Yunnan Province, with ecological civilization in the spotlight, join The Chat Room to explore the secrets of plants.