throughout the following days , weeks and months , park eun-mi waited to see if one of them was her 16-year-old daughter .
the divers stopped searching months ago because of the winter and water conditions , and the south korean ferry remains on the bottom of the sea floor .
the sewol sank on april 16 , mostly high school students who were on their way to a field trip to jeju island , off south korea 's southern coast .