With so many plants and animals at risk of extinction, our reporter Yang Jinghao has been talking to botanists in southwest China's Yunnan Province to find out how they have been protecting the critically endangered species.
An insect research team from the Kunming Institute of Zoology under the Chinese Academy of Sciences (CAS) has compiled a butterfly checklist with more than 1,300 species found in southwest China's Yunnan, showcasing rich biodiversity in the province.
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