TOPSHOT - A man taking part in a caravan by Central American migrants -mostly Hondurans- moving towards the United States in hopes of a better life, walks along the metal fence on the border between Mexicali in Mexico's Baja California State, and Calexico, in California, US, on November 19, 2018. - US President Trump has sent about 5,800 troops to the border to forestall the arrival of large groups of Central American migrants travelling through Mexico and towards the US, in a move critics decry as a costly political stunt to galvanize supporters ahead of midterm elections earlier this month. (Photo by Pedro PARDO / AFP)