Marta Alarcón runs a roadside store near Cúcuta. Three years ago, she started giving migrants food, water, diapers and a place to rest for the night near her stand. “I really feel it from my heart,” Alarcón says. “It’s really sad to see so many people, so many women, so many kids, walking by hungry.”

Marta Alarcón runs a roadside store near Cúcuta. Three years ago, she started giving migrants food, water, diapers and a place to rest for the night near her stand. “I really feel it from my heart,” Alarcón says. “It’s really sad to see so many people, so many women, so many kids, walking by hungr