On the 15th day of the first month of the traditional Chinese calendar, the people of the Yi ethnic group in Zhiju Village of Yongren County, Yunnan Province, celebrate the Saizhuang Festival. It is a time for local girls to display their handmade traditional costumes, most of which are decorated with colorful and exquisite embroidery, to see who is the most beautiful. With a history of more than a thousand years, the festival is known as the world's oldest village fashion show. The beauty contest often attracts large crowds and provides a unique opportunity for young people to meet and express their affection for each other.