. >> werman: it's the evening rush hour in shibuya train station in tokyo. more than a million and a half people come through here each day. it's one of the busiest stations in japan. i'm here to report a series of stories on the aftermath of the march 11 earthquake. when i arrive, staring down at the passing crowds is this incredible 100-foot-long mural. for a long time, japan's contemporary cultural scene has intrigued me. this piece, titled "the myth of tomorrow" by taro okamoto, is among japan's most famous. it's a chronicle of this country's atomic horrors. it's a pretty impressive painting, this "myth of tomorrow." it's kind of surprising nobody's stopping to look at it. here's a larger-than-life reminder of japan's history-- the only country to have suffered not one but two atomic bombs. and it's mind-boggling to me that it's at the center of yet another atomic disaster. these horrors would be made fresh on march 11 when northeast japan was engulfed by a tsunami that caused meltdowns at the fukushima daiichi nuclear power plant. all across the fukushi