Italian artist Maestro Pistoletto (R, front) attends the inauguration ceremony of sculpture Rebirth at the Palais des Nations in Geneva, Switzerland, Oct. 24, 2015. The monumental sculpture Rebirth, which consists of 193 stones originating from each member state of the United Nations, is developed by Italian artist Maestro Pistoletto, and represents the "rebirth" of society and of the United Nations' commitment to peace, rights and well-being for all. (Xinhua/Xu Jinquan)