Sok Siphana (Front), co-chair of the 6th Lancang-Mekong Cooperation (LMC) Senior Officials' Meeting and an advisor to the Cambodian government, speaks during the meeting in Phnom Penh, Cambodia, on Jan. 9, 2018. The 6th Lancang-Mekong Cooperation Senior Officials' Meeting was held here on Tuesday, with high-level officials from the six Lancang-Mekong countries finalizing the Five-year Action Plan and the Phnom Penh Declaration for Wednesday's 2nd LMC Leaders' Meeting. (Xinhua/Sovannara)