Marni Halasa, a performing artist, protests the corporate greed with her unique artistic invention during the NYC General Strike at Bryant Park in New York City on May 1, 2012. The whole day event features protests, marches, lectures and performances were held not just in New York, but dozens of other US cities. Organizers hope the Occupy Wall Street movement, which started last September and experienced a quiet and difficult period in winter, would be revived with the warmer weather. [Photo/Chen Weihua]