In the afternoon of 4 February 2020, Samdech Techo Hun Sen holds a talk with H.E. Ban Ki-moon, former Secretary-General of the United Nations and currently President and Chair of the Global Green Growth Institute (GGGI).

In the afternoon of 4 February 2020, Samdech Techo Hun Sen holds a talk with H.E. Ban Ki-moon, former Secretary-General of the United Nations and currently President and Chair of the Global Green Growth Institute (GGGI).