In April 2021, an Asian elephant herd in Yunnan, China moved north from the original habitat Xishuangbanna Dai Autonomous Prefecture, which attracted much attention. The protection by the government, people and academia as well as the harmonious coexistence became hot topics, and various opinions emerged. To seek the truth, the crew rushed tothe front line, cooperated with the headquarters, made "close" contact with the elephants, discussed the reasons of movement, behavior traces, living environment, human-elephant relations and to trigger the public reflection in the "stream age".

Chengye Kang, engaged in documentary creation for five years. He graduated from Wuhan Media College of CCNU with a bachelor's degree in drama film and television director. After graduation, he joined the content production company “Cicada Modern Culture” of Youku Alibaba Entertainment and started his career as a documentary director. After one year's work, he was admitted to the director department of Beijing Film Academy for further study. Since then, he has been engaged in documentary creation till now. Selection: "Gao Kao 2020", "As Winter Goes By", "Where Hope Grows" .

Chenliang Zhang, the subeditor of “Nature History” (journal); the director of financial media department of "Chinese National Geography"; the operator of former @ Nature Science Magazine in Weibo; China science writers association members; the ecological branch of the 8th member of the Beijing municipal science and technology popularization creation association; member of China agricultural university, master of entomology; 2017 top ten science communication characters of China Association for Science and Technology.

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