A man holds up a placard with an image of U.S. President Donald Trump during a march to protest against Trump’s proposed border wall and to call for unity, in Mexico City, Mexico, February 12, 2017. Demonstrators hold placards that collectively read ‘No wall’ during a march to protest against U.S. President Donald Trump’s proposed border wall, and to call for unity, in Mexico City, Mexico, February 12, 2017.