China's foreign minister Wang Yi (centre L) attends a meeting with North Korea's foreign Minister Ri Yong Ho (centre R) at the Mansudae Assembly Hall in Pyongyang on May 2, 2018. - China's foreign minister arrived in Pyongyang on May 2, the highest-ranking Chinese official to visit North Korea in years as Beijing tries to mend fences with its nuclear-armed neighbour. (Photo by KIM Won-Jin / AFP) (Photo credit should read KIM WON-JIN/AFP/Getty Images)
