Violence in Syria Forces Hospitals Underground and Into Caves

Man carries an injured child after regime helicopters target a medical center at opposition controlled Bustan el Kasr region of Aleppo, Syria on April 29, 2016.
( Beha el Halebi/Anadolu Agency / Getty )
( Beha el Halebi/Anadolu Agency / Getty )
Produced by Thalia Beaty