U.S. President Barack Obama (R) greets President-elect Donald Trump at inauguration ceremonies swearing in Trump as president on the West front of the U.S. Capitol in Washington, U.S.
Nikki Haley / Getty Images
This undated picture released by North Korea's official Korean Central News Agency (KCNA) on April 26, 2017 shows North Korean leader Kim Jong-Un attending the combined fire demonstration of the services of the Korean People's Army in celebration