Senior officials visit the Kumsusan Palace of the Sun to commemorate the 108th birth anniversary of North Korea's founder Kim Il Sung, in this undated image released by North Korea's Korean Central News Agency (KCNA) in Pyongyang on April 16, 2020. KCNA/via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THIS IMAGE. NO THIRD PARTY SALES. SOUTH KOREA OUT.