Actors perform during a ceremony to mark the National Pavilion Day for the Islamic Republic of Mauritania at the 2010 World Expo in shanghai, east China, July 19, 2010. [Xinhua]

Bomba Ould Daramane, minister of Commerce, Handicrafts, Tourism of Mauritania, addresses the ceremony to mark the National Pavilion Day for the Islamic Republic of Mauritania at the 2010 World Expo in shanghai, east China, July 19, 2010. [Xinhua]