Thousands join G20 protest

A demonstrator wears a cap at a rally in Hyde Park in central London March 28, 2009. Thousands of people marched in Britain, France and Germany on Saturday to protest about the global economic crisis and urge world leaders to act on poverty, jobs and climate change at a G20 summit next week. [Agencies]

A man wearing a mask depicting U.S. President Barack Obama holds onto a banner during a demonstration against the economic crisis and the upcoming G20 meeting of world leaders in Madrid, March 28, 2009. [Agencies]