Migrants reach US-Mexico border one month after setting out Around 100 Central American migrants from a so-called Viacrucis Migrante caravan arrive at the US-Mexico border, where many plan to seek asylum in the United States. The caravan is a tradition that dates back to 2010 and is designed to draw attention to the plight of destitute Central Americans crossing through Mexico to try to reach the US and the promise of a better life. IMAGES AND SOUNDBITES