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TOPSHOT - A Honduran family walks along the banks of the Rio Bravo in Piedras Negras, Coahuila state, Mexico, as they prepare to cross it illegally, after being rejected by US authorities in their attempt to enter Eagle Pass, Texas through the international bridge on February 6, 2019. - Around 1,700 migrants traveling by caravan reached the US-Mexican border Tuesday, just as President Donald Trump prepared to give a major speech certain to include calls for his long-sought wall. (Photo by Julio Cesar AGUILAR / AFP) (Photo credit should read JULIO CESAR AGUILAR/AFP/Getty Images)

TOPSHOT - A Honduran family walks along the banks of the Rio Bravo in Piedras Negras, Coahuila state, Mexico, as they prepare to cross it illegally, after being rejected by US authorities in their attempt to enter Eagle Pass, Texas through the international bridge on February 6, 2019. - Around 1,700 migrants traveling by caravan reached the US-Mexican border Tuesday, just as President Donald Trump prepared to give a major speech certain to include calls for his long-sought wall. (Photo by Julio Cesar AGUILAR / AFP)        (Photo credit should read JULIO CESAR AGUILAR/AFP/Getty Images)