Introduction to Qiu Shuangzhai: Qiu Shuangzhai is the residence of Tanchun. The three-bay building is tall and spacious. According to the description in "A Dream of Red Mansions", one of the rooms has a mahogany marble desk with various inkstones and pen holders on the table. On the west wall is an imitation of Mi Fu's "Mist and Rain", and the interior is elegantly furnished.