A view of central Pyongyang, North Korea, at dusk on April 12, 2011. #

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. #

A large statue of Kim Il Sung sits in the entrance to the Grand People's Study House in Pyongyang, North Korea, on March 9, 2011. #

In this April 21, 2011 photo, men operate a manual rail car on tracks running along the West Sea barrage near Nampho, North Korea. #

A multi-lane highway, empty of vehicles, near Pyongyang, North Korea, on April 21, 2011. #

North Korean workers rebuild the roof of a structure at the Pohyon Temple at the foot of Mount Myohyang, North Korea, on April 19, 2011. #

People walk and use bicycles to cross a railroad bridge over a riverbed north of Pyongyang, North Korea, on April 19, 2011. #

In this April 17, 2011 photo, a man walks near a stand of rural housing outside of Kaesong, North Korea. #

A man sits on a cart carrying wood on a road outside the southern town of Kaesong, North Korea, on March 17, 2011. #

Men ride bicycles at the end of a work day in Pyongyang, North Korea, on April 18, 2011. #

Women perform a dance routine with badminton rackets at an event to mark the birthday of Kim Il Sung at a park in Pyongyang, North Korea, on April 15, 2011. #

A woman sits at a small table selling snacks on the roadside along the West Sea Barrage near Nampho, North Korea, on April 21, 2011. #

In this April 13, 2011 photo, a North Korean traffic police officer stands along a street in central Pyongyang, North Korea. #

A city tram carries passengers in Pyongyang, North Korea, on April 15, 2011. #

Concert-goers sit inside an auditorium as they wait for a classical music performance to begin in Pyongyang, North Korea, on March 10, 2011. #

An illustration of a building project hangs in front of the construction project in progress in Pyongyang, North Korea, photographed on April 13, 2011. #

Students swim and play on a water slide at a pool facility at Kim Il Sung University in Pyongyang, North Korea, on April 13, 2011. #

In this April 13, 2011 photo, people stroll along the Taedong River in Pyongyang, North Korea. #

Commuters walk through a subway station in Pyongyang, North Korea, on March 10, 2011. #

Children look through a subway car window in Pyongyang, North Korea, on March 10, 2011. #

A United States flag and weapons sit inside a glass display case at the war museum in Pyongyang, North Korea, photographed on March 9, 2011. #

Stuffed animals on display at Changgwang Elementary School, where they are used for biology classes in Pyongyang, North Korea, on March 9, 2011. #

A children's choir performs in Pyongyang, North Korea, on April 14, 2011. #

In this March 9, 2011 photo, rows of portable stereos sit on desks inside a music library room at the Grand People's Study House in Pyongyang, North Korea. #

A woman works on a library computer at the Grand People's Study House in Pyongyang, North Korea, on March 9, 2011. #

A girl plays the piano inside the Changgwang Elementary School, in Pyongyang, North Korea, on March 9, 2011. #