This picture taken by North Korea's official Korean Central News Agency on June 2, 2013 and released on June 4 shows North Korean leader Kim Jong Un inspecting watch posts defending Mt. Osung and Korean People's Army (KPA) unit 507 in the Kangwon province of North Korea.

Kim Jong Un stands on Mount Osung next to a sign that reads: "Our beloved Supreme Leader Kim Jong Il pushed a car up to this very place on August 3, 1998."

Kim Jong Un is greeted by soldiers as he inspects watch posts defending Mt. Osung.

Kim Jong Un inspects watch posts defending Mt. Osung.

Kim Jong Un meets soldiers in a watch post defending Mt. Osung.

North Koreans bow before the statues of late leaders Kim Il Sung, left, and his son Kim Jong Il, at Mansu Hill in Pyongyang, North Korea, on Dec. 17.

North Korean leader Kim Jong Un, right, attends a ceremony to reopen the Kumsusan Palace of the Sun in Pyongyang, North Korea, on Monday, Dec. 17, 2012. Kim solemnly reopened the sprawling, granite mausoleum where his father's body lies in state as the nation marked the first anniversary of his death.

North Koreans visit the statues of late North Korean leaders Kim Il Sung, left, and Kim Jong Il to offer a silent prayer in central Pyongyang on Dec. 17. Picture released by the North's official KCNA news agency.

A North Korean traffic coordinator stands on a roadside near portraits of late leaders Kim Il Sung, left, and Kim Jong Il during a foggy morning on Kim Il Sung Square in Pyongyang, on Dec. 17.

North Korean officials attend a memorial service for former leader Kim Jong Il in Pyongyang on Dec. 16 ahead of the first anniversary of his death.

North Koreans applaud as a large screen shows a portrait of the late North Korean leader Kim Jong Il during a concert in Pyongyang to commemorate his death and what would have been his 70th birthday.

A North Korean soldier sheds tears during a parade marking the 70th birthday of the country's late leader Kim Jong Il in Pyongyang, North Korea, Thursday, Feb. 16.

New North Korean leader Kim Jong Un, second from left, applauds as he leaves the stands at Kumsusan Memorial Palace in Pyongyang after reviewing a parade of thousands of soldiers and commemorating the 70th birthday of the late Kim Jong Il on Thursday, Feb. 16.

A North Korean soldier smiles from the back of an army vehicle at Kumsusan Memorial Palace in Pyongyang, North Korea, before a parade of thousands of soldiers commemorating the 70th birthday of the country's late leader Kim Jong Il on Thursday, Feb. 16.

North Korean soldiers file past a new bronze statue depicting the late leader Kim Jong Il and his father Kim Il Sung after an unveiling ceremony at Mansudae Art Studio in Pyongyang on Feb. 14, 2012. As North Koreans prepare for what would have been the 70th birthday of late leader Kim Jong Il this week, the country's state media have gone to great lengths to build up the man who led the nation for 17 years until his death in December.

A North Korean soldier stands at attention as others cheer during the unveiling of a new bronze statue depicting the late leader Kim Jong Il and his father Kim Il Sung on Tuesday.

South Korean Kim Young-Shik, a lookalike of the late North Korean leader Kim Jong Il, shows newspaper clippings in his shop in Seoul on Dec. 26, 2011.

North Korea's new leader Kim Jong-un looks on, as he is flanked by President of the Presidium of the Supreme People's Assembly of North Korea Kim Yong-nam (R) and Chief of General Staff of the Korea People's Army Ri Yong-ho (L), during the memorial for late North Korean leader Kim Jong-il in Pyongyang, in this still image taken from video Dec. 29, 2011. North Korea's military staged a huge funeral procession on Wednesday in the snowy streets of the capital Pyongyang for its deceased "dear leader," Kim Jong-il, readying a transition to his son, Kim Jong-un.

An overhead view of North Koreans gathering during the memorial for late North Korean leader Kim Jong-il in Pyongyang, in this still image taken from video Dec. 29, 2011. North Korea's military staged a huge funeral procession on Wednesday in the snowy streets of the capital Pyongyang for its deceased "dear leader," Kim Jong-il, readying a transition to his son, Kim Jong-un.

North Korean flags fly at half-mast on fishing boats after the funeral of the late leader Kim Jong-Il, at the Chinese North Korean border area near Dandong on Dec. 29, 2011.

People watch the memorial service for late North Korea leader Kim Jong-Il on television at a train station in Seoul on Dec. 29, 2011. North Korea staged a massive memorial service for late leader Kim Jong-Il attended by tens of thousands, and declared his untested young son and successor the supreme party and military chief.

Aa car carrying Kim Jong Il's body during the funeral procession in Pyongyang on Dec. 28, 2011.

A uniformed man tries to control crowds attending the funeral procession for Kim Jong Il in Pyongyang.

Military personnel bowing their heads during Kim Jong Il's funeral at Kumsusan Memorial Palace in Pyongyang.

North Korean soldiers mourning during the funeral ceremony for Kim Jong Il.

This TV grab taken from Korean Central Television (KCTV) shows North Korean leader Kim Jong-Un (C-front) and other top military and civilian officials walking beside the car carrying the coffin of his late father Kim Jong-il on its roof in Pyongyang on Dec. 28, 2011. North Korea began the funeral of late leader Kim Jong-Il, Russian media reported from a snowy Pyongyang, as the grieving communist state bolstered his son's status as "great successor".

This TV grab taken from Korean Central Television (KCTV) shows North Korean new leader Kim Jong-Un (C) and other top military and civilian officials walking beside the car carrying the coffin of his late father Kim Jong-il on its roof in Pyongyang on Dec. 28, 2011.

This tv grab taken from North Korean TV on December 28, 2011 shows North Koreans mourning during the funeral ceremony for the late leader Kim Jong-Il in Pyongyang.

This tv grab taken from North Korean TV on Dec. 28, 2011 shows a portrait of the late leader Kim Jong-Il on a car arriving at Kumsusan Memorial Palace in Pyongyang. North Korean state television began broadcasting the funeral of late leader Kim Jong-Il December 28, with footage of tens of thousands of troops bowing their heads in the snow outside a memorial palace.

North Korea's new leader Kim Jong-un cries as his father, North Korea's late leader Kim Jong-il, lies in state during the run-up to his funeral in Pyongyang in this Dec. 27, 2011, still image taken from video.

Lee Hee-ho, widow of former South Korean president Kim Dae-jung, shakes hands with new North Korean leader Kim Jong-un after she paid her respect to North Korea's late leader Kim Jong-il lying in state in Pyongyang in this still image taken from video broadcasted on Dec. 27, 2011. Lee Hee-ho whose husband drew up a now-abandoned policy of engagement with the North led a delegation across the border on Monday. The South Korean group laid wreaths at the mausoleum where Kim Jong-il's body is on display. North Korean media said the footage is said to have been shot on Dec. 26th and was released by state broadcaster KRT the next day.

Wreaths sent by Chinese officials to offer condolences for the death of Kim Jong Il are seen in Pyongyang in this combination picture released by North Korea's offical KCNA news agency on Dec. 22, 2011.

Actors and actresses cry as they mourn for the death of Kim Jong Il at Pyongyang National Theatre in Pyongyang in this Dec. 19, 2011 still image taken from video.