Grain-mill powered by two mules. Illustration from [Wang Zhen] Nongshu, 'Nongqi tupu' 9, 284. 6.2 Grand ancestral sacrifice, with a pig and a chicken as offerings. Nakagawa Shundai (ed.), Shinzoku kibun [Recorded Accounts of Qing Customs], Tōto [Edo], Nishimiya Tasuke, Kansei 11 [1799] shinsen, 12.2a-3b. Online resource, Staatsbibliothek zu Berlin -PK, http://resolver.staatsbibliothek-berlin.de /SBB0000B38700000000 6.3 Gengzhi tu ploughing scene. 7.1 'Buddha-head pearl' (Jinyu tupu, 626). 7.2 Description of a 'Buddha-head pearl' (Zhuyu pu, 588). 8.1 Herdsman on the back of an ox, Mu niu tu juan 牧牛圖卷, by Mao Yi 毛益 (12th century). Photo by Hu Chui 胡錘. Courtesy of the Palace Museum, Beijing.