Featured photojournalist: Rodrigo Abd

Inmates mingle around their personalised bunks in a communal cell in San Pedro Sula Central Corrections Facility in Honduras Photograph: Rodrigo Abd/AP

A prisoner is handcuffed to the bars of his cell as punishment for beating a guard. Guards do not cross into the inner sanctum controlled by prisoners, and prisoners do not breach the perimeter controlled by guards Photograph: Rodrigo Abd/AP

Pigs wade through a drainage ditch inside the prison. Honduras is among the most dangerous places on Earth, with a homicide rate roughly 20 times that of the US, according to a 2011 United Nations report Photograph: Rodrigo Abd/AP

Inmate Pedro Hernandez studies Spanish grammar as Marvin Hernandez Pavon, top, weaves a fishing net Photograph: Rodrigo Abd/AP

Augusto Ochoa Rodriguez plays with his eight-month-old daughter Merci Yoana during visiting hours Photograph: Rodrigo Abd/AP

Inmate Brian Alexandre, 20, cuts Marvin Baca's hair inside his barber shop Photograph: Rodrigo Abd/AP

Prisoners use a mirror to monitor activity outside their cell Photograph: Rodrigo Abd/AP

A prison guard yawns as he gets his shoes shined Photograph: Rodrigo Abd/AP

Denis Castillo cuddles his wife, Reina Lopez, and their son, Dermin Valentin, during visiting hours Photograph: Rodrigo Abd/AP

Prisoners bet on a game of Chingolingo Photograph: Rodrigo Abd/AP

Inmates gather outside their cells Photograph: Rodrigo Abd/AP

Inmates find any available space on the floor to sleep Photograph: Rodrigo Abd/AP