Robben Island Prison where Nelson Mandela was imprisoned, now a museum, Cape Town, South Africa

The room in Presidio Modelo where Fidel Castro and his brother Raul were imprisoned, Isla de la Juventud, Cuba, West Indies, Central America

The room in Presidio Modelo where Fidel Castro and his brother Raul were imprisoned, Isla de la Juventud, Cuba, West Indies, Central America

The Cell Block where Nelson Mandela was imprisoned, Robben Island, Western Cape Province, South Africa, Africa

View to Devil's Island, where Dreyfus and Papillon were imprisoned, French Guiana, South America

Laughing Thrushes hang in cages in a park, central Xian, China

Laughing Thrush hanging in a cage in a park, central Xian, China

Chicken penned inside a hen house, Cotswolds, United Kingdom. If Avian Flu (Bird Flu) spreads from Europe all poultry may be forced indoors.

Songbirds for sale in wooden cages in a market in Beijing (formerly Peking) China

Monk hangs a caged Laughing Thrush onto a branch in the Monk's Garden, The Big Wild Goose Pagoda, Xian, China

Laughing Thrush in cage hanging on a branch in the Monk's Garden at The Big Wild Goose Pagoda, Xian, China

Bolton Castle, where Mary Stuart was imprisoned, Wensleydale, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe

Trifels Castle, where King Richard the Lionheart was imprisoned, awaiting ransom, Anweiler, Rheinland-Pflaz, Germany, Europe

Trifels Castle, where King Richard the Lionheart was imprisoned, awaiting ransom, Anweiler, Rheinland-Pfalz, Germany, Europe

Cambodia tuol sleng museum and former prison and torture chambers of the khmer rouge. phnom penh. photographs of victims imprisoned, tortured and killed at the prison

Cell Door In Kilmainham Jail, Ireland