Thousands of people participate in the May Day march and rally on May 1, 2013 in Los Angeles, United States. In celebration of May Day, people have gathered across the country to rally for various topics including immigration reform. (Photo by Ringo Chiu/PHOTOFORMULA.com)
Thousands workers, including county nurses, librarians, social workers, public health workers, probation officers and park employees, rally to demand higher wages, expanded Medicaid coverage to millions of Californians, on Tuesday April 16, 2013 in downtown Los Angeles, California. (Photo by Ringo Chiu/PHOTOFORMULA.com)
