Recently, Liu Guangyu, the business director of the Science Communication Group of the Environmental Education Center of the Xishuangbanna Botanical Garden in Yunnan, the winner of the "Venus" of the Chinese Academy of Sciences Network Popularization Alliance, and the author of the well-known WeChat public account "Banna Jun", analyzed and speculated the cause of the loss of contact in Ailao Mountain.

Editor in charge: [Song Fangcan]