Collections focused predominantly on this material at the Met and British Museum were donated by Heber Bishop and Joseph Hotung, respectively. The Hóngshān culture created coiled “pig dragons” made of this material, while the Liángzhǔ culture created the earliest examples of a pair of ritual objects thought to represent heaven and earth. A locust and katydid perch atop a sculpture of this material housed at the (15[1])National Palace Museum in Taipei alongside a ding and a meat-shaped stone. That sculpture of this material depicts a (*) bok choy. During the Han Dynasty, plaques of this material were connected with gold wire to create burial suits. Ceremonial disks and vessels known as bì and cóng (“tsong”) were made of this material. For 10 points, Chinese artists often carved pieces from what green stone? ■END■