Introduction to Shuangzhuotang: Shuangzhuotang is also a courtyard building in the style of "nine halls and eighteen wells". But its architectural structure is the most exquisite, and it is a masterpiece of Peitian ancient residences that integrates technology and art. The door is horizontally marked with "Hua Wu Nian", and the name of the owner Wu Huanian is hidden at the beginning and end.