Boston Strong: Moving Photos of the Marathon & Aftermath

One year later, remembering the day's heroes, tributes to the fallen and a city that won't let tragedy take it down

THIS LITTLE LIGHT

Runner Lizzie Lee joins mourners at a vigil in Boston Common on Tuesday, April 16, 2013. Lee was in the middle of her first Boston Marathon on Monday, April 15, when two bombs exploded along the race route, killing three and injuring more than 270.