 He created a large outdoor sculpture for The DeYoung Museum in San Francisco that was unveiled in 2005.For his "On Gold Mountain" exhibition at the Asian Art Museum, located in San Francisco, in 2008, he used rocks selected from the foothills of the Sierra Nevada to create his sculptures, "alluding to the nineteenth-century Chinese immigrant experience of mining gold during the California gold rush.Both the actual rocks and their stainless steel versions will be exhibited", according to the museum.