President Rodrigo Roa Duterte engages in a discussion with Republic of Korea President Moon Jae-in prior to the start of the bilateral meeting at the Blue House in Seoul on June 4, 2018. Joining President Duterte are National Security Adviser Hermogenes Esperon Jr., Sec. Bong Go of the Office of the Special Assistant to the President, Defense Secretary Delfin Lorenzana, Finance Secretary Carlos Dominguez III and Foreign Affairs Secretary Alan Peter Cayetano. TOTO LOZANO/PRESIDENTIAL PHOTO