Daniel Ochoa de Olza, photographer, Madrid, for his excellent coverage of migrants climbing a wall and running as U.S. agents fired tear gas. While many people were raising their glasses to celebrate the New Year, some 150 migrants at the U.S.-Mexico border tried to cross into the U.S., where Border Patrol agents stood wearing camouflage and carrying assault-style riffles. Ochoa's widely used photos captured the drama of the migrants, including children, running away from the gas.

Ochoa describes how he made the photos.

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Migrants run as tear gas is thrown by U.S. Border Protection officers after they climbed the border fence to get from Tijuana, Mexico, into San Diego, Calif., Jan. 1, 2019.

AP Photo / Daniel Ochoa de Olza