Migrants talk before they get into a shelter to rest, in Tijuana, Mexico, on Feb. 6, 2017. U.S. President Donald Trump signed two executive orders on Jan. 25 to have the Department of Homeland Security begin planning, designing and building a "physical barrier" along the U.S.-Mexico border, identify undocumented immigrants, and remove those who have criminal records. (Xinhua/David de la Paz)
