Arianne Dominguez arrived in Mexico less than two weeks before Trump's inauguration on January 20, and was almost immediately blocked from accessing an app that helps process applications to enter the US. "I thought about my family in Cuba, who were hoping I could come to the United States. Then I had to think about Plan B," Dominguez says. The 24-year-old Cuban is now one of hundreds of other migrants seeking refuge in Mexico instead, waiting in line for days to begin their asylum process. IMAGES AND SOUNDBITES