Chile is constructing desert trenches along its northern border as part of President José Antonio Kast's stringent migration control measures.

Chile digs desert trenches along its northern border as President José Antonio Kast pushes a hardline migration crackdown critics say may have little effect. <img alt="On Chile" border="border" src="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/6000x4000+0+0/resize/6000x4000!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Ff3%2F7c%2Ffcce255b48189196252fe5a7f1c0%2Ftrench.JPG" /><p>Chile digs desert trenches along its northern border as President José Antonio Kast pushes a hardl...