France's President Jacques Chirac (Centre, L) and Claude Pompidou (Centre, R) look at an architect's model of the Centre Pompidou-Metz as they attend a ceremony to mark the 30th anniversary of Centre Pompidou modern art museum in Paris January 31, 2007. With Chirac are the Mayor of Metz Jean-Marie Rauch (L) and the director of the Centre Pompidou Bruno Racine (2nd L). The Pompidou centre, commonly known as 'Beaubourg', a stark, modernist structure of glass and external struts and pipes in central Paris, celebrates its 30th anniversary having overcome early opposition to become one of the French capital's most popular buildings.(Xinhua/Reuters Photo) Photo Gallery>>>