Cambodian Prime Minister Samdech Techo Hun Sen (1st L) speaks during the opening ceremony of the World Economic Forum on ASEAN in Phnom Penh, Cambodia, on May 11, 2017. ASEAN's future competitiveness will be driven by growth dividends the region is reaping from rapid technological development and youthful demographics, the leaders of four members of the regional grouping said in the opening session of the World Economic Forum on ASEAN in the Cambodian capital of Phnom Penh on Thursday.(Xinhua/Sovannara)
