The dead submarine crew hadn't moved from their stations for nearly 150 years when the vessel was raised from the ocean in 2000. Whatever killed them happened so suddenly that they never made a run for the escape hatch. What's more, they had no obvious physical injuries.
원문출처 : http://www.cnn.com/2017/08/23/health/hunley-submarine-mystery-death-study/index.html
원문출처 : http://www.cnn.com/2017/08/23/health/hunley-submarine-mystery-death-study/index.html