Ireland, County Sligo, Sligo town, High tech business hub building known as Building Blocks reflected in River Garavogue.

Architecture, Construction, Men working on building site wearing hard hats laying courses of concrete blocks.

Construction, Bricklayer building house.

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.

England, London, The Modern skyline of the City of London with The Gherkin Building viewed between two modern office blocks.

Angola, Luanda, Seafront promenade, with old buildings in foreground and new buildings under construction in background.

USA, New York, Manhattan, View north over 5th Avenue from the observation deck of the Empire State Building with spire of St Patrick's Cathedral.

USA, New York, View west from the observation deck of the Empire State Building towards the Hudson River and Jersey.