Nobel Prize laureates Robert Huber (2nd L) and Daniel Shechtman (3rd L) plant trees during the establishment ceremony of the Newton Garden at Nanjing University, Nanjing, capital of east China's Jiangsu Province, May 19, 2012. A Newton Garden was established Saturday at Nanjing University as part of the commemoration of the 110th anniversary of the university. The Newton Garden will hold a Newton apple tree, trees planted by Nobel Prize laureates and personal belongings of Isaac Newton donated by overseas alumni. (Xinhua/Sun Can)