Cambodia's Queen Mother Norodom Monineath and King Norodom Sihamoni greet mourners in front of the Royal Palace

Cambodia's Queen Mother Norodom Monineath Sihanouk (front, R) and King Norodom Sihamoni (front, L) greet the people in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Siv Channa

Cambodia's King Norodom Sihamoni (C) shakes hands with people in front of the Royal Palace during a prayer ceremony for his father, late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Siv Channa

Cambodia's Queen Mother Norodom Monineath Sihanouk (front) looks at a portrait of the late King Norodom Sihanouk in front of the Royal Palace, during a prayer ceremony in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk (front) cries in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk greets people in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk (C) greets people in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk (C) greets people in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk, in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk (C) shakes hands with people in front of the Royal Palace during a prayer ceremony for the late King Norodom Sihanouk in Phnom Penh October 23, 2012. Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring

Cambodia's Queen Mother Norodom Monineath Sihanouk (C) gestures in front of the Royal Palace during a ceremony in Phnom Penh October 23, 2012. Former Cambodian King Norodom Sihanouk died at age 89 of heart failure on October 15, 2012. REUTERS/Samrang Pring