1/11South Korean soldiers stand guard at an observation post near the demilitarized zone (DMZ) which separates the two Koreas in Paju, north of Seoul April 11, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
2/11Female North Korean soldiers patrol along the banks of Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, April 11, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
3/11A North Korean man blocks his face with his hand from being photographed as he and other residents take a ferry in Yalu River, near the North Korean town of Sinuiju, opposite the Chinese border city of Dandong, April 11, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
4/11People take part in an oath-taking before the statues of late North Korean leaders Kim Il-sung and Kim Jong-il on Mansudae Hill in Pyongyang, April 10, 2013. (KCNA)
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
5/11Anti-North Korean protesters release balloons with peace messages on the Grand Unification Bridge leading to the North near the demilitarized zone separating the two Koreas, in Paju, north of Seoul, April 10, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
6/11South Koreans arrive with their belongings from North Korea's Kaesong at the customs, immigration and quarantine office near the border village of Panmunjom, in Paju, north of Seoul, South Korea, April 9, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
7/11Visitors look at the industrial complex in Kaesong, North Korea, through binoculars at Dora Observation Post in the demilitarized zone (DMZ) near the border village of Panmunjom, in Paju, South Korea, April 9, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
8/11A South Korean military vehicle passes by gates leading to the North Korean city of Kaesong at the customs, immigration and quarantine office near the border village of Panmunjom, April 8, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
9/11An elementary school teacher orders her students to leave as they watch South Korean housewives denounce annual South Korean-U.S. military exercises, near the U.S. Embassy in Seoul, April 8, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
10/11South Korean army soldiers patrol along a barbed-wire fence near the border village of the Panmunjom, in Paju, South Korea, April 8, 2013.
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
11/11North Korean military dogs run to a target with a portrait of South Korean Defence Minister Kim Kwan-jin during a military drill, April 6, 2013. (KCNA)
U.S. and South Korean forces remain on heightened alert for a possible North Korean missile test, as Pyongyang continues to make war-like threats against Washington and Seoul.
