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A beluga whale called Mila performs at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, Oct. 2, 2019. Zang Mingyue decided to become a trainer of beluga whale after she was touched by a performance of the marine mammal when she was guiding a tourist group. She resigned in 2012 when she was 23 years old, and turned to work at the Harbin Polarland as a trainer. She overcame a series of difficulties and strives to be the best at her work. She feels that she loves beluga whale more deeply as she knows more about it. (Photo by Xie Jianfei/Xinhua)
