A cuban migrant uses his mobile phone outside the customs building at the border between Nicaragua and...
A cuban migrant uses his mobile phone outside the customs building at the border between Nicaragua and Costa Rica, November 15, 2015. November 15, 2015. Nicaragua on Sunday closed its border with Costa Rica to hundreds of Cubans headed for the United States, stoking diplomatic tensions over a growing wave of migrants from the Communist island making the journey north. REUTERS/Oswaldo Rivas