Read this: Jiangsu Art Gallery is the largest gallery in Jiangsu Province, presenting some of the best traditional and contemporary art pieces of China; many other smaller-scale galleries, such as Red Chamber Art Garden and Jinling Stone Gallery, also have their own special exhibitions.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"): What type of exhibitions do Red Chamber Art Garden and Jinling Stone Gallery show?
their own special exhibitions