Cambodian King Norodom Sihamoni (C, front) and UNESCO's Director-General Audrey Azoulay (L, front) attend the closing ceremony of an event marking the 25th anniversary of the founding of the International Coordinating Committee for the Safeguarding and Development of the Historic Site of Angkor (ICC-Angkor), in Siem Reap, Cambodia, on Dec. 5, 2018. Cambodian King Norodom Sihamoni on Wednesday attended the closing ceremony of an event marking the 25th anniversary of the founding of ICC-Angkor. (Xinhua/Sovannara)