In this April 17, 2014 file photo, South Korean Coast Guard personnel search for missing passengers aboard the sunken South Korean ferry Sewol in the water off the southern coast near Jindo, South Korea. High school student Cho Eun-hwa, 16, was one of 304 people killed one year ago on Thursday, April 16 in the sinking of the ferry, and among nine whose bodies still have not been recovered. (Photo by Ahn Young-joon/AP Photo)
