(FILES) In this file North Korea's leader Kim Jong Un before a meeting with US President Donald Trump on the south side of the Military Demarcation Line that divides North and South Korea, in the Joint Security Area (JSA) of Panmunjom in the Demilitarized zone (DMZ) on June 30, 2019. - North Korean leader Kim Jong Un has made his first public appearance since speculation about his health began last month, cutting the ribbon at the opening of a fertilizer factory, KCNA reported on May2. (Photo by Brendan Smialowski / AFP)