In 1994, Martina Sierra de Acevedo, center, emigrated to the United states from the Dominican Republic, leaving her five children behind. She never understood how long it would take or how much it would cost to obtain visas for her children to join her, in the United States. Finally, in December of 2000, her three youngest children were approved to come; at right, Martina has gone to the Dominican Republic to fetch them. But in the years-long immigration process, her two eldest children have grown to be legal adults. She will now have to leave them behind.