A look at the six new buildings shortlisted for the 2013 Royal Institute of British Architects' Stirling Prize, one of the most prestigious awards in architecture.

The shortlisted buildings are the University of Limerick Medical School, Sheffield's Park Hill housing estate, Newhall Be in Essex, the Giant's Causeway Visitor Centre in County Antrim, Bishop Edward King Chapel in Cuddesdon and Astley Castle in Warwickshire. Show less