Introduction to Laomendong: Laomendong is the ancient place name of the southern area of Nanjing's Old City. Most of the people living there are common people, collectively known as Laochengnan people, and they speak authentic Nanjing dialect. Today, the Laomendong area has been transformed into a historical protection district, focusing on displaying traditional culture and recreating the original appearance of the south of the old city, becoming a popular tourist destination for folk culture.