their breath. even today top leaders 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. always they are looking for better food. where is something to eat, to fill my stomach? >> 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 people everywhere on the street. >> in this satellite photo, south korea is blazing with lights at night. north korea is pitch black, except for the capitol. that capitol, pyongyang, is the home of top government officials with good salaries and impressive offices. we're on top of the world's tallest stone tower here overlooking pyongyang.