PHNOM PENH, June 28, 2016 (Xinhua) -- Cambodian Prime Minister and President of the ruling People's Party (CPP) Samdech Techo Hun Sen speaks during a ceremony to mark the 65th anniversary of the CPP's founding in Phnom Penh June 28, 2016. The CPP on Tuesday commemorated the 65th anniversary of its birth, vowing to uphold peace and political stability. (Xinhua/Sovannara)