A boy in the township of Soweto, South Africa

Detail of facade of prefabricated housing built in the 1960s where many Czechs live in cities, Prosek, Prague, Czech Republic, Europe

Prefabricated Mobile Homes, California, Usa

A tar sands workers camp, north of Fort McMurray, Alberta, Canada, North America

A tar sands workers camp, north of Fort McMurray, Alberta, Canada, North America

A massive workers camp housing 10000 tar sands workers, Alberta, Canada, North America

One year on from the catastrophinc 2009 Bush Fires survivors are still living in emergency housing at Kinglake, one of the worst affected communities, Victoria, Australia, Pacific

Aerial photo, tower blocks, prefabs, student accommodation at the RUB Ruhr University, Hustadt, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Europe

Earthquake-proof prefab home that was given to the victims of the January 2010 earthquake as part of a reconstruction programme by an international aid organisation, Palmiste-a-Vin, Leogane, Haiti, Caribbean, Central America

Prefab high rise-buildings, apartment buildings, satellite town, housing estate, quarter with pre-fabricated concrete buildings, Marzahn-Hellersdorf district, Berlin, Germany, Europe