TOPSHOT - US Customs and Border Protection agents stand guard on the US side of the US-Mexico border fence as seen from Playas de Tijuana, Mexico, on November 16, 2018. - The Central American migrant caravan trekking toward the United States converged on the US-Mexican border Thursday after more than a month on the road, undeterred by President Donald Trump's deployment of thousands of American troops near the border. (Photo by PEDRO PARDO / AFP)