Peace Palace, Phnom Penh 18 November 2012 President Benigno S. Aquino and the rest of the ASEAN leaders were formally welcomed by Cambodian Prime Minister Hun Sen and his spouse during the opening ceremony of 21st ASEAN Summit and Related Summits. PM Hun Sen announced the official opening of the summit and delivered an opening continue reading : Opening Ceremony of the 21st ASEAN Summit and Related Summits