Central Pyongyang, capital of North Korea, is seen at dusk on April 12, 2011. North Korea is struggling with financial sanctions and international ostracization over its nuclear program.
A city tram carries passengers in Pyongyang on April 15.
A girl plays the piano inside the Changgwang Elementary School in Pyongyang on March 9.
Stuffed animals are on display at Changgwang Elementary School in Pyongyang on March 9. They're used in biology classes.
Men read a newspaper on public display inside a subway station in Pyongyang on March 10.
A North Korean traffic police officer stands along a street in central Pyongyang on April 13.
Workers carry painted doors along a road in Mangyongdae on April 13.
The scene on April 17 south of Pyongyang along the highway leading to the southern city of Kaesong, North Korea.
People pay their respects at a monument to Kim Il Sung at Mansu Hill in Pyongyang on April 14 -- the eve of the late president's birthday. In North Korea, April 15 is known as "The Day of the Sun" in honor of the former guerrilla fighter who founded North Korea in 1948.
A member of a marching band has her photo taken with a woman and a boy at an event marking the birthday of Kim Il Sung at a park in Pyongyang on April 15.
Women perform a dance routine with badminton rackets at an April 15 event to mark the birthday of Kim Il Sung at a park in Pyongyang.
Two female North Korean soldiers hold hands as they tour the birthplace of Kim Il Sung at Mangyongdae on April 13.
A photo taken through a bus window shows a North Korean traffic police woman standing along a street in Pyongyang on April 15.
Commuters walk through a subway station in Pyongyang on March 10.
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 on April 18.
Men walk along a street in Pyongyang as the sun sets April 14.
A decorated sheet covers a bed inside the Koryo Hotel in Pyongyang on March 8.
A photograph of Kim Il Sung hangs on a wall next to a light made from a grenade casing on March 9 inside an exhibit at the war museum in Pyongyang. The exhibit is made to look like underground bunkers used during the resistance against the Japanese occupation.
People react on a ride at an amusement park in Pyongyang on April 16.
A multi-lane highway is empty of vehicles on April 21 near Pyongyang.
People walk and use bicycles to cross a railroad bridge over a riverbed north of Pyongyang on April 19.
Concert-goers sit inside an auditorium as they wait for a classical music performance to begin in Pyongyang on March 10.
A car drives along a street at night in central Pyongyang on April 12.
Children look through a subway car window in Pyongyang on March 10.
A woman sits at a small table selling snacks on the roadside near Nampho on April 21.
Plates of food sit on a customer's table at a fast food restaurant inside an amusement park in Pyongyang on April 16.
Men operate a manual rail car on tracks running along the sea near Nampho on April 21.
Men ride bicycles at the end of a work day in Pyongyang on April 18.
Flowers known in North Korea as "Kimilsungia" are displayed next to a small replica of the Kim Il Sung mausoleum at a flower exhibition in Pyongyang on April 13.
A woman looks at monkeys behind a glass enclosure at the central zoo in Pyongyang on April 22.
A European tourist photographs a North Korean woman working at the Pyongyang airport as a North Korean Air Koryo flight arrives from Beijing on April 12.
A children's choir performs in Pyongyang on April 14.
Hikers climb a trail along Mount Myohyang on April 20.
Hikers rest at a small pagoda along a trail on Mount Myohyang on April 20.
North Korean flight attendants on a video screen bow at the end of the security demonstration before takeoff on an Air Koryo flight from Beijing to Pyongyang on March 8.
Rows of portable stereos sit on desks inside a music library room at the Grand People's Study House in Pyongyang on March 9.
A professional photographer takes a souvenir picture for visitors to the birthplace of Kim Il Sung at Mangyongdae on April 13.
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, on April 17.
A guard is reflected in a window at the entrance to a hall where organizers held an exhibition of the flowers known in North Korea as "Kimjongilia" and "Kimilsungia" in Pyongyang on April 13.
A shadow of the 560-foot-tall Juche Tower is cast over the Taedong River in Pyongyang on March 9.
People stroll along the Taedong River in Pyongyang on April 13.
A waitress is reflected in a mirror inside a hotel restaurant in Mount Myohyang on April 19.
A bowl of traditional North Korean cold noodles, known as naengmyeon, sits on a restaurant table in Pyongyang on March 10.
North Korean workers rebuild the roof of a structure at the Pohyon Temple at the foot of Mount Myohyang on April 19.
On April 21, a girl carries a flower through a memorial cemetery in Pyongyang for men and women who died fighting against the Japanese occupation.
An illustration of a building hangs in front of the construction project in progress in Pyongyang on April 13.
Families have their photographs taken in front of the Kumsusan Memorial Palace in Pyongyang on April 15. 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.
A video shows the liftoff of the North Korean Unha-2 rocket to launch the Kwangmyongsong-2 satellite into space on a screen inside a hall at the Three Revolution Exhibition in Pyongyang. North Korea called the launch, which took place on April 5, 2009, a successful bid to put a communications satellite into space. However, the U.S. and South Korea called it cover for a test of long-range missile technology and accused Pyongyang of violating U.N. resolutions prohibiting North Korea from developing its nuclear and missile technologies.
A U.S. flag and weapons sit inside a glass display case at the war museum in Pyongyang on March 9.
Two North Korean soldiers smoke cigarettes as a pedestrian passes in Pyongyang on April 22.
A shadow is cast across a parking lot as a man walks by a row of imported cars in central Pyongyang on April 12.
Students swim and play on a water slide at a pool facility at Kim Il Sung University in Pyongyang on April 13.
A girl stands on floral-print carpet inside the Pyongyang Children's Palace in Pyongyang on April 14. The large facility is used for teaching performance arts, fine arts and sports as extracurricular classes.