Beijing, September 19 (Youth.cn) - On September 17th, 2023, in Zhangye, Gansu Province, a horse was grazing in the grasslands of the Shandan Horse Ranch. In the golden month of September, the grass on the Shandan Horse Ranch in Gansu Province gradually changes from green to yellow. The well-fed and robust herd of horses roams the grasslands, either heading to the riverside for water or grazing on the plains under the guidance of herders.