At the PRC government’s invitation, HM the King left the capital city on 27 September to visit the Shanghai 2010 World Expo « The China National Pavillon Day of Shanghai. »in the People’s Republic of China. Seeing the King on this occasion: Senate Chairman Samdech Chea Sim, National Assembly President Samdech Heng Samrin, Prime Minister Samdech Hun Sen, 1st Vice Chairman of the Senate Samdech Sisowath Chivan Monirak,1st Vice chairman of the National Assembly H.E. Mr Nguon Nhel, 2nd Vice Chairman of the National Assembly Mr Say Chhum, Vice Prime Minister and Interior Minister H.E. Mr. Sar Kheng, Vice Prime Minister and Minister in charge of the Presidence of Council of Ministers H.E. Mr. Sok An, Vice Prime Minister H.E.Mr. Ke Kim Yan, the Royal family, parliamentarians, senior government officials, and diplomatic corps mainly the People’s Republic of China’s Ambassador to Cambodia.