conditions. i got a rare look inside the secretive nation when i travelled there at the end of 2010. well, thank you so much. during my six days at north korea, i didn't see a whole lot of color. unless you count the propaganda posters. we visited in the winter, when buildings often go unheated. in this school, it's so cold in the classroom they could see their breath. even today, top leaders like kim jong-un often wear overcoats indoors. why the hardships? because so much of their limited money goes to the military. according to the cia, north korea industry is crippled. and there are chronic food shortages. >> basically, it's a starving country. its overall, always there looking for where is our food, something to eat? >> reporter: starvation reportedly killed up to two million people in the 1990s. this 24-year-old defected from north korea six years ago. >> translator: you can see dead