An unidentified marcher wears a face mask with a US flag design during a May Day rally protesting for immigrant rights in downtown Los Angeles

 
An unidentified marcher wears a face mask with a US flag design during a May Day rally protesting for immigrant rights in downtown Los Angeles
An unidentified marcher wears a face mask with a US flag design during a May Day rally protesting for immigrant rights in downtown Los Angeles May 1, 2009. REUTER/Mario Anzuoni