Sun Yuan (b. 1972) and Peng Yu (b. 1974) both graduated from the oil painting department of the Central Academy of Fine Arts and live and work in Beijing. They have been collaborating since 2000 and are two of China's most controversial artists, renown for working with extreme materials such as human fat tissue, live animals, and baby cadavers to deal with issues of perception, death, and the human condition. They have participated in many international exhibitions including the China Pavilion, 51st Venice Biennale (2005), Mahjong: Contemporary Chinese Art from the Sigg Collection, Kunstmuseum, Bern, Switzerland (2005), China Pavilion 2006, Liverpool Biennial, 2006, and the Moscow Biennale of Contemporary Art, Moscow
(2007).