The "Scales" space from the "Secret Realm of Zhulong" exhibition in the Shan Hai Jing is located in the North Exhibition Hall on the 0th floor of the China Art Museum. Take Subway Line 8 to the Oriental Art Palace Station, go up from Building 3, enter the China Art Museum, go through security, and follow the directional arrows to the 0th floor exhibition hall. You will find the "Secret Realm of Zhulong" exhibition, and from there, the "Scales" space.