In this photo provided by An Khoun Sam Aun/National Television of Cambodia, Cambodian Prime Minister Hun Sen, right, greets with Myanmar Foreign Minister Wunna Maung Lwin at Peace Palace in Phnom Penh, Cambodia, Tuesday, Dec. 7, 2021. Wunna Maung Lwin is on a two-day official visit to Cambodia. (An Khoun SamAun/National Television of Cambodia via AP)