Mass flip card mosaics are created by having large groups of people in stadium seating hold up cards that, together, form a complete image. In North Korea, these colorful images often serve as propaganda, celebrating the nation's leaders, prescribed lifestyle, and even its nuclear weapons.

The photo above was taken by Elizabeth Dalziel/AP.

A flip card mosaic of young and healthy North Koreans during the Arirang Mass Games, the largest choreographed gymnastics display in the world with over 100,000 dancers taking part in the performance, Aug 8, 2007.

(Photo by Elizabeth Dalziel/AP)

Thousands of North Korean children dance and hold up colored cards to form a picture of Kim Il-sung at a rally in Pyongyang, North Korea, April 28, 1995.

(Photo by John Leicester/AP)

The portrait of the Great Leader Kim Il-sung (1912-1994), the country's Eternal President during a performance Oct 23, 2000.

(Photo by Chien-Min Chung/AP)

Soldier images formed by thousands of children holding up cards during the annual massive propaganda spectacle known as a "mass game" held in Pyongyang, North Korea, October 11, 2005.

The show, which has been staged six times a week since Aug. 15, was the largest in three years and has attracted foreign tourists from South Korea and even the U.S. to the reclusive country.

(Photo by Ng Han Guan/AP)

Pyongyang river view

(via Huffington Post, photo by Jeremy Hunter)

Happy children, 2007, 2011 and 2012

(Photo by Mike Connolly, Michael Day and Nicor)

World Peace, 2007

(Photo by Pool/Getty Images)

Image of Kim Il-sung in a wheat field during a "mass game" performance at a stadium in Pyongyang, North Korea, Sept. 19, 2008.

(Photo by David Guttenfelder/AP)

A worker woman, a miner, a soldier, and a clever and successful North Korean in a suit on a mosaic during a "mass game" performance, Sept. 19, 2008.

(Photo by David Guttenfelder/AP)

Brick-breaking in the Rungnado May Stadium, during the Arirang Mass Games of 2008.

(Photo by Kok Leng Yeo)

A saluting child in military uniform during a "mass games" performance on Sept. 19, 2008.

(Photo by David Guttenfelder/AP)

Hello world, we have nuclear weapons, 2011.

(via Michael Day)

Sunrise on the glorious nation, 2011 and 2013.

(via Michael Day and Gilad Rom 12)

The Great Hydroelectric Power, 2011

(via Michael Day)

"Pyongyang, the World's capital," 2011

(via Michael Day)

Portraits of Kim Il-sung and Kim Jong-il at the Arirang Mass Games in 2012

(via Wikimedia Commons)

Colorful images from the Arirang Games, 2012.

(via Wikimedia Commons)

Image of the Unha-3 rocket that North Korea successfully launched in December 2012 during the opening night of the Arirang Mass Games at Pyongyang's May Day Stadium, July 22, 2013.

(Photo by David Guttenfelder/AP)

Great Agriculture

(via Korean People)

Celebration of the 60th anniversary of Korean War, July 27, 2013.

(via ifeng)