Poland, Auschwitz-Birkenau State Museum, Auschwicz Concentration Camp, General view of some of the buildings within the camp.

Poland, Auschwitz-Birkenau State Museum, Auschwicz Concentration Camp, Perimeter barbed wire fencing and guard tower beside Block 11 known as 'The Death Block'.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Guard tower with barbed wire fencing.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Ruins of former accommodation blocks surrounded by barbed wire fencing.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Guard tower with ruins of former accommodation blocks surrounded by barbed wire fencing.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Typical railway transport box car that brought Jews to the camp.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Typical railway transport box car that brought Jews to the camp.

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Close up of barbed wire fencing surrounding ruins of former accommodation blocks.

Vietnam War. Siege of Kontum. Montagnard soldiers gathered in base within a barbed wire perimeter. Young soldier sitting on a chair holding a medical syringe. Walls of sand bags makeshift shelters t...

Vietnam War. Siege of Kontum. American B-52 bombing behind Kontum. Soldiers sitting in camp within a barbed wire perimeter watching plumes of grey smoke rising into the sky Kon TumAsian Southeast As...