Joaquin "El Chapo" Guzman is escorted to a helicopter in handcuffs by Mexican navy marines at a navy hanger in Mexico City after his capture last year. Mexico's security now say Guzman has escaped from a maximum security prison for the second time. Eduardo Verdugo/AP hide caption

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Fernando Urias (left) and Victor Manuel Aguirre kiss after they learned they were allowed to marry, during a protest outside the municipal palace in the northern border city of Mexicali, Mexico, on Jan. 17. Alex Cossio/AP hide caption

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Concertgoers take photos of the band Intocable at a concert in Juarez, Mexico last year. Kainaz Amaria/NPR hide caption

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State police officers patrol a highway between Ciudad Victoria and Matamoros, in northeast Mexico, in 2011. Mexico's drug and turf wars have descended on the once tourist friendly border town of Matamoros. Alexandre Meneghini/AP hide caption

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Reproduction of a letter to the National Commission of Human Rights from criminals, drug dealers, murderers and kidnappers in "El Altiplano," Mexico's highest-security prison. Ronaldo Schemidt/AFP/Getty Images hide caption

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Julio Cesar Chavez at his home in Tijuana, Mexico. Carrie Kahn/NPR hide caption

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A platform owned by Mexico's state-run oil company Pemex is seen off the Bay of Campeche in the Gulf of Mexico. The country has recently opened up its energy sector to foreign investors. Victor Ruiz/Reuters/Landov hide caption

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The alleged leader of the Zetas drug cartel, Omar Trevino Morales, is taken under custody to be presented to the press at the Attorney General Office's hangar at the airport in Mexico City, on March 4. Mexican authorities captured Trevino Wednesday, dealing a blow to the feared gang and giving the embattled government a second major arrest in a week. Omar Torres/AFP/Getty Images hide caption

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The 2,100-person Tijuana municipal police force is one of Mexico's largest. It's also the first in the country to employ body cameras for its officers. Washington Post/Getty Images hide caption

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In 2013, the U.S. imported about 2 million tons of Coronas and Modelos, making beer Mexico's largest agricultural export to the U.S., according to a USDA report. Scott Olson/Getty Images hide caption

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Mexico's President Enrique Pena Nieto gestures after delivering a speech at the Los Pinos presidential Palace in Mexico City on Tuesday. Yuri Cortez /AFP/Getty Images hide caption

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In this video frame grab image taken from Milenio TV via APTN, police look at the scene where a gas tank truck exploded outside a maternity and children's hospital in Mexico City on Thursday. AP hide caption

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Jasjit Kaur Singh, an Indian chef, cooks kaala channa, a traditional spicy Sikh dish. A psychologist says that children who grow up in cultures with lots of spicy food are taught to like spice early on. Richard Lautens/Toronto Star via Getty Images hide caption

itoggle caption Richard Lautens/Toronto Star via Getty Images