An NHK diving crew recently visited Otsuchi Town in Iwate Prefecture, where the ocean floor still bears the scars of the March 2011 earthquake and tsunami.
A look back at 60 Minutes' reporting on the deadly 2011 Tohoku earthquake and tsunami which killed nearly 20,000.
Discover key historic events on March 11, including Japan's 2011 earthquake and tsunami, Roman and Byzantine milestones, and ...
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