A U.S. Customs and Border Protection helicopter flies over the U.S.-Mexico border where thousands of migrants have crossed in recent days seeking asylum in Del Rio, Texas, the United States, Sept. 24, 2021. The last remaining migrants, mostly Haitians, on Friday departed a temporary camp under a bridge in Del Rio, a border town in south central U.S. state Texas, according to local media reports. (Photo by Nick Wagner/Xinhua)
