A lot of shoes were found in pairs at the Titanic wreck. Explorers were mystified

A new episode of the CNN Original Series “How It Really Happened” spotlights newly-uncovered secrets of the Titanic revealed by the latest scientific advances. It premieres Sunday, April 28 at 9pm ET/PT.A new episode of the CNN Original Series “How It Really Happened” spotlights newly-uncovered secrets of the Titanic revealed by the latest scientific advances. It premieres Sunday, April 28 at 9pm ET/PT.