Mimi Pineda, 15, whose parents are from El Salvador, rides to church in a limousine with her friend Christian Flores, 17, during her quinceanera in Santa Clarita, California August 23, 2014. Quinceanera is a rite of passage celebrated on the fifteenth birthday of many female Latino teenagers. (Photo by Lucy Nicholson/Reuters)

A man walks past a mural in the Echo Park area of Los Angeles, home to many Mexican and Central American migrants, in California August 5, 2014. Los Angeles is a culturally thriving city and one of the most ethnically diverse in the United States, with a population that is 48.5 percent Latino and 11.3 percent Asian, according to a 2010 census. (Photo by Lucy Nicholson/Reuters)

A mariachi musician walks past a mural in the Boyle Heights area of Los Angeles, home to many Mexican migrants, in California August 5, 2014. Immigration has become a hot button issue ahead of U.S. midterm elections on November 4, and despite arguments from the White House that legal migration benefits businesses, a recent opinion poll found most Americans believe migrants place a burden on the economy. (Photo by Lucy Nicholson/Reuters)

Mariachi musician Moises Rivera, 60, waits for a gig in the Boyle Heights area of Los Angeles, home to many Mexican and Central American migrants, in California August 9, 2014. (Photo by Lucy Nicholson/Reuters)

A man walks past a mural showing the Mexican, Salvadoran, Guatemalan and United States flags surrounding the Virgin of Guadalupe, patroness of the Americas, in the Westlake area of Los Angeles, home to many Mexican and Central American migrants, in California August 6, 2014. (Photo by Lucy Nicholson/Reuters)

A flyer for a concert named “English as a Second Language”, of Latino artists singing in Spanish and English, is seen in the Boyle Heights area of Los Angeles, home to many Mexican migrants, in California August 5, 2014. (Photo by Lucy Nicholson/Reuters)

A man cooks meat in a shopping cart in the Westlake area of Los Angeles, home to many Mexican and Central American migrants, California August 6, 2014. (Photo by Lucy Nicholson/Reuters)

Mahlet Mogas, 5, stands with an arm around a parking meter decorated with wool in the colours of the Ethiopian flag in the Little Ethiopia area of Los Angeles, California September 14, 2014. (Photo by Lucy Nicholson/Reuters)

Mimi Pineda, 15, whose parents are from El Salvador, stands outside her aunt's house with Maybelin Ramirez, 6, before her quinceanera in Santa Clarita, California August 23, 2014. (Photo by Lucy Nicholson/Reuters)

A woman poses for a friend's photo in the Little Ethiopia area of Los Angeles, California September 14, 2014. (Photo by Lucy Nicholson/Reuters)

Najara Apraku, 28, holds her 11-month-old son, Selassi Ra Shabaka, as she walks with her husband, Jamaiel Shabaka, and son, Kwame Negast Shabaka, in the Little Ethiopia area of Los Angeles, California September 14, 2014. (Photo by Lucy Nicholson/Reuters)

Megan Moshar, 26, who is of Persian, German and Filipino descent, dances with her husband George Safar, 27, whose parents are from Syria, as they are both lifted into the air during their wedding reception in Pasadena, California August 16, 2014. (Photo by Lucy Nicholson/Reuters)

An Iranian American phone directory is seen in a store window in the Westwood district of Los Angeles, near “Persian Square”, in California August 12, 2014. The area is nicknamed “Tehrangeles” and is home to many migrants from Iran. (Photo by Lucy Nicholson/Reuters)

Retired professor Carlos Jainga, 71 (6th R) and his wife Estrella Jainga, 68, (L) attend a farewell party for their friend Dolores Saballo, 65, (R) who is returning to the Philippines, at a park in Torrance, California September 30, 2014. The Jaingas emigrated to the U.S. from the Philippines in 2005, following their eldest son, and became U.S. citizens earlier this month. (Photo by Lucy Nicholson/Reuters)

A woman walks past a mural of a pair of wings, under another mural depicting former North Korean leader Kim Jong Il (2nd L) and former South Korean president Kim Dae-jung (2nd R) on either side of a South Korean flag, hanging above Dan Sung Sa restaurant and bar in the Koreatown area of Los Angeles, California August 14, 2014. (Photo by Lucy Nicholson/Reuters)

Sarah Kim, who emigrated from South Korea, meditates with Sabina Mayorga, 4, whose parents are from Mexico, at Lu Mountain Buddhist Temple in Rosemead, California August 15, 2014. (Photo by Lucy Nicholson/Reuters)

Sung Min See, 16, Jaewoong Lee, 17, Joon Kim, 16, and Jason Jung, 18, (L-R), who all emigrated from Seoul, South Korea, sing in a karaoke cafe in the Koreatown area of Los Angeles, California August 11, 2014. (Photo by Lucy Nicholson/Reuters)

A woman cycles past a mall sign in Korean in the Koreatown area of Los Angeles, California August 12, 2014. (Photo by Lucy Nicholson/Reuters)

Sena Nagata, 7, Lana Osumi, 8, and Seri Nagata, 4, (L-R) wave as they watch a parade in the Little Tokyo area of Los Angeles, California August 10, 2014. (Photo by Lucy Nicholson/Reuters)

Miyako Cai (2nd L), 26, chats to friends as she walks out of a Japanese supermarket in the Little Tokyo area of Los Angeles, California August 10, 2014. (Photo by Lucy Nicholson/Reuters)

A man cycles through Chinatown in Los Angeles, California August 13, 2014. (Photo by Lucy Nicholson/Reuters)

A man stands in a store selling lanterns in Chinatown in Los Angeles, California August 13, 2014. (Photo by Lucy Nicholson/Reuters)

People walk past a gas station as a Russian Orthodox Church is seen in the distance in Hollywood, California August 11, 2014. (Photo by Lucy Nicholson/Reuters)

A man walks past the kosher Schwartz Bakery in the Fairfax district of Los Angeles, California August 14, 2014. (Photo by Lucy Nicholson/Reuters)

A combination photograph shows Los Angeles area street signs which mark the boundaries of neighbourhoods in Los Angeles, Long Beach and San Pedro, California in pictures taken between August 7 to 19, 2014. The Little Lithuania sign has been approved by the city, but not put up yet, and is held by Joseph Pupius, 79, who is from Lithuania. (Photo by Lucy Nicholson/Reuters)