Putri Siti (C), an Indonesian immigrant without identification, addresses a rally to urge a reform of immigration policy in San Francisco, California, the United States, on May 1, 2013. People attended the rally held by labour unions and labour rights protection institutions to urge the U.S. congress to legalize the immigration reform as soon as possible on Wednesday. New York, San Francisco, Chicago and Philadelphia held rallies with similar themes on the same day. (Xinhua/Liu Yilin)