In Southwest China's Yunnan Province, a valley in Jinping Miao, Yao and Dai autonomous county turns into a fluttering sea of wings for just a few weeks each year. Follow People's Daily reporter Lou Qingqing into this living wonderland to witness the butterfly eruption up close – and meet the people who protect it and give it new life through art and storytelling. (Produced by Lou Qingqing, Di Jingyuan, Chu Chu and intern Zhao Yunpeng)