Here’s how The NY Times describes this video:

From Central America, thousands of children fleeing poverty and danger make multiple attempts to reach the United States despite increased efforts by Mexico to turn them back.

Here’s a link to the accompanying article, Flow of Central American Children Headed to U.S. Shifts but Doesn’t Slow.

You might also be interested in The Best Resources For Learning About The Children Refugee Crisis At The U.S. Southern Border.