It is one year since the great eastern Japan earthquake, tsunami and Fukushima nuclear disaster ravaged Japan. How is the country coping? Shriya Mohan travels to Tokyo and Fukushima to find out. My first impression of Japan, after landing at the Haneda international airport in the wee hours of the morning, was the sight of hundreds of people wearing white masks that stretched from ear to ear, walking briskly past me. It triggered a question: “radiation?”.