A new set of photos provides a special glimpse into one of the
world's most secretive nations.

In this April 21, 2011 photo, men
operate a manual rail car on tracks running along the West Sea
barrage near Nampho, North Korea. (AP Photo/David
Guttenfelder)

In this April
13, 2011 photo, North Korean soldiers, foreground, and North Korean
traffic police, background, tour the birthplace of Kim Il Sung to
pay their respects at Mangyongdae, North Korea. (AP Photo/David
Guttenfelder)

In this April 15, 2011 photo,
families have their photographs taken in front of the Kumsusan
Memorial Palace in Pyongyang, North Korea. The palace, which was
the official residence of Kim Il Sung until his death in 1994, is
now a mausoleum where his embalmed body lies in state. (AP
Photo/David Guttenfelder)

ADVANCE FOR USE SUNDAY, JULY 24,
2011 AND THEREAFTER - In this Tuesday, April 17, 2011 photo, two
North Korean soldiers walk along a road and past a small village
near the demilitarized zone that separates the two Koreas outside
of Kaesong, North Korea. (AP Photo/David Guttenfelder)

In this March 9, 2011 photo, a
girl plays the piano inside the Changgwang Elementary School in
Pyongyang, North Korea. (AP Photo/David Guttenfelder)

In this April 19, 2011 photo, a
waitress is reflected in a mirror inside a hotel restaurant in
Mount Myohyang, North Korea. (AP Photo/David
Guttenfelder)

In this April 18, 2011 photo, men
ride bicycles at the end of a work day in Pyongyang, North Korea.
(AP Photo/David Guttenfelder)

In this April 18, 2011 photo, a
statue known as the Monument to the Three Charters for National
Reunification, which symbolizes the hope for eventual reunification
of the two Koreas, arches over a highway at the edge of Pyongyang,
North Korea. (AP Photo/David Guttenfelder)

In this April 15, 2011 photo, a
girl takes a photo of her friends who were dancing at an event to
mark the birthday of Kim Il Sung at a park in Pyongyang, North
Korea. (AP Photo/David Guttenfelder)

In this April 17, 2011 photo,
people go about their daily routines south of Pyongyang along the
highway leading to the southern city of Kaesong, North Korea. (AP
Photo/David Guttenfelder)

In this April 13, 2011 photo,
workers carry painted doors along a road in Mangyongdae, North
Korea. (AP Photo/David Guttenfelder)

In this April 12, 2011 photo, a
European tourist photographs a North Korean woman working at the
airport as a North Korean Air Koryo flight arrives from Beijing, in
Pyongyang, North Korea. (AP Photo/David Guttenfelder)

In this April 13, 2011 photo, a
professional photographer takes a souvenir picture for visitors to
the birthplace of Kim Il Sung at Mangyongdae, North Korea. (AP
Photo/David Guttenfelder)

In this April 13, 2011 photo,
people stroll along the Taedong River in Pyongyang, North Korea.
(AP Photo/David Guttenfelder)

In this April 13, 2011 photo,
flowers known in North Korea as "Kimilsungia" are displayed next to
a small replica of the Kim Il Sung mausoleum at an flower
exhibition in Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

In this April 21, 2011 photo, a
girl carries a flower through a memorial cemetery in Pyongyang,
North Korea, for men and women who died fighting against the
Japanese occupation. (AP Photo/David Guttenfelder)

This April 21, 2011 photo shows a
multi-lane highway empty of vehicles near Pyongyang, North Korea.
(AP Photo/David Guttenfelder)

In this April 13, 2011 photo, two
female North Korean soldiers hold hands as they tour the birthplace
of Kim Il Sung at Mangyongdae, North Korea. (AP Photo/David
Guttenfelder)

In this April 12, 2011 photo, a
car drives along a street at night in central Pyongyang, North
Korea. (AP Photo/David Guttenfelder)

In this April 13, 2011 photo, a
guard reflected in a window stands by the entrance to a hall where
organizers held an exhibition of the flowers known in North Korea
as Kimjongilia and Kimilsungia, in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)

In this April 15, 2011 photo
taken through a bus window, a North Korean traffic police woman
stands on the side of the street in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)

In this March 8, 2011 photo, a
colorful, decorated sheet covers a bed inside the Koryo Hotel in
Pyongyang, North Korea. (AP Photo/David Guttenfelder)

In this April 16, 2011 photo,
plates of food sit on a customer's table at a fast food restaurant
inside an amusement park in Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

In this March 9, 2011 photo, a
statue of Kim Il Sung sits in the entrance to the Grand People's
Study House in Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

In this March 9, 2011 photo,
a shadow of the 170-meter (560-foot) Juche Tower is cast over the
Taedong River in Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

This April 12, 2011 photo shows
central Pyongyang, North Korea at dusk through a hotel room window.
(AP Photo/David Guttenfelder)

In this March 10, 2011
photo, children look through a subway car window in Pyongyang,
North Korea. (AP Photo/David Guttenfelder)

In this April 21, 2011 photo, a
woman sits at a small table selling snacks on the roadside along
the West Sea Barrage near Nampho, North Korea. (AP Photo/David
Guttenfelder)

In this April 20, 2011 photo,
hikers rest at a small pagoda along a trail on Mount Myohyang in
North Korea. (AP Photo/David Guttenfelder)

In this March 9, 2011 photo,
stuffed animals are on display at Changgwang Elementary School
where they are used for biology classes in Pyongyang, North Korea.
(AP Photo/David Guttenfelder)

In this April 13, 2011 photo, an
illustration of a building project hangs in front of the
construction project in progress in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)

This April 12, 2011 photo shows
central Pyongyang, North Korea at dusk. (AP Photo/David
Guttenfelder)

In this March 10, 2011 photo, men
read a newspaper on public display inside a subway station in
Pyongyang, North Korea. (AP Photo/David Guttenfelder)

In this April 19, 2011 photo,
people walk and use bicycles to cross a railroad bridge over a
riverbed north of Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

In this April 22, 2011 photo, a
woman looks at monkeys behind a glass enclosure at the central zoo
in Pyongyang, North Korea. (AP Photo/David Guttenfelder)

In this April 14, 2011 photo, a
children's choir performs in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)

In this April 12, 2011 photo, a
shadow is cast across a parking lot as a man walks by a row of
imported cars in central Pyongyang, North Korea. (AP Photo/David
Guttenfelder)

In this April 16, 2011 photo,
people react on a ride at an amusement park in Pyongyang, North
Korea. (AP Photo/David Guttenfelder)

In this April 19, 2011 photo,
North Korean workers rebuild the roof of a structure at the Pohyon
Temple at the foot of Mount Myohyang, North Korea. (AP Photo/David
Guttenfelder)

In this March 9, 2011 photo,
people work on library computers at the Grand People's Study House
in Pyongyang, North Korea. North Korea is undergoing a digital
revolution of sorts, even as it holds some of the strictest
cyberspace policies in the world. (AP Photo/David
Guttenfelder)

In this March 9, 2011 photo,
people work on library computers at the Grand People's Study House
in Pyongyang, North Korea. North Korea is undergoing a digital
revolution of sorts, even as it holds some of the strictest
cyberspace policies in the world. (AP Photo/David
Guttenfelder)

In this April 13, 2011 photo,
people work on library computers at Kim Il Sung University in
Pyongyang, North Korea. North Korea is undergoing a digital
revolution of sorts, even as it holds some of the strictest
cyberspace policies in the world. (AP Photo/David
Guttenfelder)

In this March 10, 2011 photo,
workers at a brewery operate their section of the facility from
computers in Pyongyang, North Korea. North Korea is undergoing a
digital revolution of sorts, even as it holds some of the strictest
cyberspace policies in the world. (AP Photo/David
Guttenfelder)

In this April 14, 2011 photo, a
man works on a computer at a museum in Pyongyang, North Korea.
North Korea is undergoing a digital revolution of sorts, even as it
holds some of the strictest cyberspace policies in the world. (AP
Photo/David Guttenfelder)

In this March 9, 2011 photo, a
woman works on a library computer at the Grand People's Study House
in Pyongyang, North Korea. North Korea is undergoing a digital
revolution of sorts, even as it holds some of the strictest
cyberspace policies in the world. (AP Photo/David
Guttenfelder)

In this April 15, 2011 photo, a
city tram carries passengers in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)

In this March 10, 2011 photo, a
bowl of traditional North Korean cold noodles, known as Naengmyeon,
sits on a restaurant table in Pyongyang, North Korea. (AP
Photo/David Guttenfelder)