April 20, 2005, villagers tried to hand in a petition to the Mayor of Zigong, but were stopped by the police. During the altercation with the police, several villagers were badly injured, including Mr. Liu. Mr. Liu and several others were then briefly detained for "disorderly conduct" and "obstruction of traffic". The 2010 Peace Nobel Prize winner Liu Xiaobo wrote that when Liu Zhengyou was kidnapped on April 16, 2006, at Beijing Airport to fly to Geneva to attend the UN human rights conference, it was a trial for the new UN Human Rights Council to see if it's capable of responding to this evident human rights abuse and tell the world whether the reformed UN human rights organization can live up to its expectation or not. Ziliugong (once known as Silver City) is the ancestral home of the Beijing born novelist Li Rui. One of Li Rui's best known works, titled Silver City (, not to be confused with ), recounts the history of the Li family clan that held large stakes in the salt industry of what is modern day Zigong. References Books and Literature "The Merchants of Zigong - Industrial Entrepreneurship In Early Modern China by Madeleine Zelin" Columbia Press () "The Great Well of China" by Hans Ulrich Vogel, Scientific American, June 1993 "Salt: A World History" by Kurlansky, Mark. Penguin, 2003 ()hc ()pbk "On Their Own Terms: Science in China, 1550–1900", Benjamin A. Elman () "Silver City", Li Rui () "Small Town", Li JIngrui, LARB China Channel, 5 Oct 2018. External links Zigong Government Online Zigong, China Zigong Dinosaur Museum Official Chinese Site for Zigong Dinosaur Museum Prefecture-level divisions of Sichuan Cities in Sichuan