see more

HAMHUNG, NORTH KOREA - AUGUST 21: Korean People's Army soldiers take a rest at Hamhung Railway Station during a train journey amidst tension between North Korea and South Korea on August 21, 2015 in Hamhung, North Korea. North and South Korea today came to an agreement to ease tensions following an exchange of artillery fire at the demilitarized border last week. (Photo by Xiaolu Chu/Getty Images)

HAMHUNG, NORTH KOREA - AUGUST 21:  Korean People's Army soldiers take a rest at Hamhung Railway Station during a train journey amidst tension between North Korea and South Korea on August 21, 2015 in Hamhung, North Korea.  North and South Korea today came to an agreement to ease tensions following an exchange of artillery fire at the demilitarized border last week.  (Photo by Xiaolu Chu/Getty Images)