Noth Korean soldiers buy snacks as they leave an “Arrirang Festival mass games display” at the 150,000-seat Rungnado May Day Stadiumin Pyongyang on July 26, 2013. Arrirang performances feature some 100,000 participants to create a “synchronized socialist-realist spectacular in a 90 minute display of gymnastics, dance, acrobatics, and dramatic performance, in a highly politicized package” according to the China-based North Korean travel company Koryo Tours. North Korea is preparing to mark the 60th anniversary of the end of the Korean War which ran from 1950 to 1953, with a series of performances, festivals, and cultural events culminating with a large military parade. (Photo by Ed Jones/AFP Photo)

Performers warm up prior to an “Arrirang Festival mass games display” at the 150,000-seat Rungnado May Day Stadiumin Pyongyang on July 26, 2013. (Photo by Ed Jones/AFP Photo)

A performer jumps from a catapault during an “Arrirang Festival mass games display” at the 150,000-seat Rungnado May Day Stadium in Pyongyang on July 26, 2013. (Photo by Ed Jones/AFP Photo)

North Korean war veterans cry as they parade past their leader Kim Jong Un, Saturday, July 27, 2013 during a mass military parade celebrating the 60th anniversary of the Korean War armistice in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)

North Korean students use different coloured cardboards to form a picture of a child in uniform as a background during a mass gymnastic and artistic performance “Arirang”, in Pyongyang July 26, 2013, as part of celebrations ahead of the 60th anniversary of the signing of a truce in the 1950-1953 Korean War. The games are the world's biggest choreographed extravaganza, part circus act, part rhythmic gymnastics floor, with plenty of reverence for the late North Korean leader Kim Jong-il. (Photo by Jason Lee/Reuters)

Participants holding coloured material watch for their cue as they perform during an “Arrirang Festival mass games display” at the 150,000-seat Rungnado May Day Stadium in Pyongyang on July 26, 2013. Arrirang performances feature some 100,000 participants to create a 'synchronized socialist-realist spectacular in a 90 minute display of gymnastics, dance, acrobatics, and dramatic performance, in a highly politicized package' according to the China-based North Korean travel company Koryo Tours. North Korea is preparing to mark the 60th anniversary of the end of the Korean War which ran from 1950 to 1953, with a series of performances, festivals, and cultural events culminating with a large military parade. (Photo by Ed Jones/AFP Photo)

North Korean girls stand at attention at the end of a performance of the “Arirang” mass games at May Day Stadium in Pyongyang Friday, July 26, 2013 on the eve of the 60th anniversary of the Korean War armistice. (Photo by David Guttenfelder/AP Photo)

North Korean war veterans of the Korean War watch the “Arirang” mass games song-and-dance ensemble at the May Day stadium, Friday, July 26, 2013 on the eve of the 60th anniversary of the Korean War armistice in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)

North Korean students use different colored cardboard to form portraits of late North Korean leaders Kim Jong-il and Kim Il-sung (L) as background during a mass gymnastic and artistic performance “Arirang”, in Pyongyang July 26, 2013, as part of celebrations ahead of the 60th anniversary of the signing of a truce in the 1950-1953 Korean War. (Photo by Jason Lee/Reuters)

Noth Korean army veterans watch an “Arrirang Festival mass games display” at the 150,000-seat Rungnado May Day Stadiumin Pyongyang on July 26, 2013. (Photo by Ed Jones/AFP Photo)

Traditional dancers perform during a commemorative ceremony of the 60th anniversary of Ceasefire Agreement and U.N. forces' Participation in the Korean War, at the War Memorial of Korea in Seoul July 27, 2013. South Korea on July 27 marked the 60th anniversary of the Korean armistice. (Photo by Lee Jae-Won/Reuters)

Dancers use hoops during an “Arrirang” performance at the 150,000-seat Rungnado May Day Stadium in Pyongyang on July 26, 2013. Arrirang performances feature some 100,000 participants to create a “synchronized socialist-realist spectacular in a 90 minute display of gymnastics, dance, acrobatics, and dramatic performance, in a highly politicized package” according to the China-based North Korean travel company Koryo Tours. North Korea is preparing to mark the 60th anniversary of the end of the Korean War which ran from 1950 to 1953, with a series of performances, festivals, and cultural events culminating with a large military parade. (Photo by Ed Jones/AFP Photo)

A North Korean couple hold hands as they walk on Kim Il-Sung square following a parade marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013. North Korea mounted its largest ever military parade on July 27 to mark the 60th anniversary of the armistice that ended fighting in the Korean War, displaying its long-range missiles at a ceremony presided over by leader Kim Jong-Un. (Photo by Ed Jones/AFP Photo)

North Korean leader Kim Jong-un waves to the people during a parade to commemorate the 60th anniversary of the signing of a truce in the 1950-1953 Korean War, at Kim Il-sung Square in Pyongyang July 27, 2013. (Photo by Jason Lee/Reuters)

North Koreans wave flowers as they take part in a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013. (Photo by Ed Jones/AFP Photo)

North Korean veterans of the Korean War wave to their leader Kim Jong Un during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

North Korean soldiers salute from a tank during a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013. (Photo by Ed Jones/AFP Photo)

North Korean soldiers march during a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013. (Photo by Ed Jones/AFP Photo)

North Koreans wave flowers as they take part in a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013. (Photo by Ed Jones/AFP Photo)

North Korean military veterans wave to their leader Kim Jong Un during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

North Korean pioneers march in Pyongyang to mark the 60th anniversary of the Korean war armistice. (Photo by Reuters)

A North Korean missile rolls by as colored smoke trails, left by flying aircraft, streak the sky during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

North Korean soldiers clap as they listen to President of the Presidium of the Supreme People's Assembly of North Korea Kim Yong-nam deliver a speech at the stadium. (Photo by Jason Lee/Reuters)

Female North Korean soldiers march during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

A North Korean military veteran uses a handkerchief to protect himself from the sun in the stands at a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice in North Korea, Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

North Korean women wave to their leader Kim Jong Un during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice, Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

Tractors pull weapons on wagons at a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by David Guttenfelder/AP Photo)

Female North Korean soldiers march during a mass military parade on Kim Il Sung Square in Pyongyang to mark the 60th anniversary of the Korean War armistice Saturday, July 27, 2013. (Photo by Wong Maye-E/Reuters)

North Korean soldiers march past the Kim Il Sung Square, Saturday, July 27, 2013 during the mass military parade celebrating the 60th anniversary of the Korean War armistice in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)

Female North Korean soldiers parade to mark the 60th anniversary of the signing of a truce in the 1950-1953 Korean War at Kim Il-sung Square, in Pyongyang. (Photo by Jason Lee/Reuters)

Young North Koreans gesture and cheer after a celebration to commemorate the 60th anniversary of the signing of a truce in the 1950-1953 Korean War, at Kim Il-sung Stadium in Pyongyang July 28, 2013. (Photo by Jason Lee/Reuters)

North Korean veteran Oh Gyu Sun, 78, who was a nurse in the Korean War, participates in a mass dance party during North Korean celebrations marking the 60th anniversary of the Korean War armistice, in Pyongyang, on July 28, 2013. (Photo by Wong Maye-E/Associated Press)