North Korean soldiers participate in a mass military parade at Kim Il Sung Square in Pyongyang on October 10, 2015. #

North Korean soldiers shout as they parade in Pyongyang, North Korea, on October 10, 2015. #

Soldiers look toward North Korean leader Kim Jong Un and other officials during a parade in Pyongyang on October 10, 2015. #

North Korean soldiers in historic uniforms march during a parade on Kim Il Sung Square on October 10, 2015. #

Participants hold flags as they pass through Kim Il Sung Square during a mass military parade on October 10, 2015. #

North Korean tanks pass through Kim Il Sung Square on October 10, 2015. #

A North Korean soldier stands before spectators during a mass military parade at Kim Il Sung Square on October 10, 2015. #

Soldiers shout slogans as they march past a stand with North Korean leader Kim Jong Un and other officials on October 10, 2015. #

North Korean veterans gather before the start of a parade in Pyongyang on October 10, 2015. #

Performers sing before a backdrop during an open-air dance and music performance on the north bank of the Taedong River in Pyongyang on October 11, 2015. #

Singers from the Moranbong Band and musicians from the State Merited Chorus perform in Pyongyang on October 11, 2015. #

Dancers perform during a mass military parade at Kim Il Sung Square on October 10, 2015. #

A North Korean soldier stands in the rain on Kim Il Sung Square following a mass military parade in Pyongyang on October 10, 2015. #

North Korean officers shield themselves from the rain after the parade in Pyongyang on October 10, 2015. #

A volunteer holds burning torches during a torch-lighting performance at Kim Il Sung Square on October 10, 2015. #

Volunteer performers hold burning torches before the Juche Tower during a torch-lighting performance in Pyongyang on October 10, 2015. #

Volunteers take part in a torch performance at Kim Il Sung Square on October 10, 2015. #

A minder watches a torch performance in Kim Il Sung Square on October 10, 2015. #