TOPSHOT - Aerial view of a makeshift shelter for Central American migrants - mostly from Honduras - moving towards the United States, near the US-Mexico border (R) in Tijuana, Baja California state, Mexico, on November 21, 2018. - US President Trump has sent about 5,800 troops to the border to forestall the arrival of large groups of Central American migrants traveling 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 Guillermo Arias / AFP)