Beyond Borders: How one woman from Chile mobilized Pittsburgh to help migrants in limbo in Mexico

Children play in the migrant camp that sprouted on the southern side of the U.S.-Mexico border, Thursday, Jan. 17, 2020, in Matamoros, Mexico. Life in the makeshift camp presents security and health risks for children, with kidnapping, trafficking, and disease an ever-present concern. (Michael M. Santiago/Post-Gazette)