When North Korea's communist forces crossed the border and rampaged through the south, Joonhee Wang's grandparents fled fearing for their lives.
Born in the north, her family spent each night listening to the sounds of gunfire, as the two sides battled for victory in the early 1950s.
It was only when the north reached the port city of Busan, where South Korean forces and its allies made a final stand, did the tide of the war finally turn.