Spanish aristocrat Alejandro Cao de Benos is believed to be the only foreigner working for the North Korean government. He divides his time between North Korea and Europe, where he organizes university conferences on North Korean ideology. He's shown here with a North Korean military officer in Panmunjon, on the border with South Korea. Courtesy of Alejandro Cao de Benos hide caption

itoggle caption Courtesy of Alejandro Cao de Benos

Delegates from South Korea (left) and North Korea wrap up a working-group meeting in the border village of Panmunjom in advance of talks that were scheduled for Wednesday in Seoul. South Korean Unification Ministry/AP hide caption

itoggle caption South Korean Unification Ministry/AP

Cars drive past barricades on the road linking North Korea's Kaesong Industrial Complex at a military checkpoint in Paju, near the demilitarized zone dividing the two Koreas, on Thursday. Jung Yeon-je/AFP/Getty Images hide caption

itoggle caption Jung Yeon-je/AFP/Getty Images

North Korean soldiers marched past statues of founder Kim Il Sung and his son, former leader Kim Jong Il, on Monday in Pyongyang. North Korea celebrated Kim Il Sung's 101st birthday. Kyodo /Landov hide caption

itoggle caption Kyodo /Landov

Secretary of State John Kerry shakes hands with Chinese President Xi Jinping before their meeting at the Great Hall of the People in Beijing. Kerry sought China's help in easing tensions on the Korean peninsula. Paul J. Richards/AFP/Getty Images hide caption

itoggle caption Paul J. Richards/AFP/Getty Images

A South Korean soldier stands at a military checkpoint connecting South and North Korea at the Unification Bridge last week in Paju, South Korea. Chung Sung-Jun/Getty Images hide caption

itoggle caption Chung Sung-Jun/Getty Images