A lone demonstrator runs past a line of riot police while banging a pot lid around the Plaza de Mayo.....
A lone demonstrator runs past a line of riot police while banging a pot lid around the Plaza de Mayo in Buenos Aires, December 31, 2001. [Interim President Adolfo Rodriguez Saa resigned late December 30, only a week after he was sworn in, after angry spontaneous protests in the city ended in violent clashes between demonstrators and police.]