ANSAN, Gyeonggi Province -- On April 16, 2014, 325 students and 14 teachers from Danwon High School in Ansan, Gyeonggi Province were aboard the Sewol ferry heading to Jeju Island for a field trip. Cho Mun-jeong was one of the students on the trip and was hoping to enjoy a brief reprieve from preparing for college entrance exams. After a loud "bang" echoed through the ferry, an announcement was made over the intercom, urging passengers not to move and to wait patiently for rescue. But C