Photo Details

Thousands of North Koreans turn colored cards to form the symbol for the atom as gymnasts perform on the field below during a "mass games" performance at a stadium in Pyongyang, North Korea Friday, Sept. 19, 2008. The section of the performance highlighted various forms of technology and science. North Korea has confirmed that it is making "thorough preparations" to restart its Yongbyon nuclear facility because the United States has failed to follow through with promised incentives.

Photo by (AP Photo/David Guttenfelder)