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Introduction: With the theme of "Autumn Taste", the program sent many investigators to Heilongjiang, Xinjiang, Inner Mongolia, Liaoning, Shandong, Yunnan, Jiangsu, Fujian, Guangxi and other places, with a journey of more than 20,000 kilometers, from north to south, from east to west, from Woye to plateau, from rivers to lakes and seas, and to the Han, Yi, Maonan and Uygur nationalities.