A large photo on display at a memorial museum for the 2011 earthquake-tsunami disaster in Kesennuma, Miyagi Prefecture in northeastern Japan, shows a 10-year-old boy walking in front of a pile of rubble, his jaw clenched and a bottle of water in each hand.The picture of Kaito Matsumoto carrying water from a well at an evacuation center was one of the images shown around the world following the March 11 disaster that killed more than 15,000.Now aged 20, Matsumoto said he has received more than 300 letters of support from people across Japan who have seen the photo, including one from the lat…READ FULL ARTICLE