A man reads note on tree in public exhibition of objects and mementos left at makeshift memorials that...
A man reads a note on a message tree in a public exhibition of objects and mementos left at the makeshift memorials that emerged in the aftermath of the Boston Marathon Bombings in Boston, Massachusetts, April 7, 2014. REUTERS/Dominick Reuter (UNITED STATES - Tags: POLITICS SPORT DISASTER ATHLETICS)