TOPSHOT - Central American migrants -mostly families with children- taking part in a caravan to the US, get on board a container truck heading to Irapuato in the state of Guanajuato on November 11, 2018 after spending the night in Queretaro in central Mexico. - The United States embarked Friday on a policy of automatically rejecting asylum claims of people who cross the Mexican border illegally in a bid to deter Central American migrants and force Mexico to handle them. (Photo by Alfredo ESTRELLA / AFP)