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Stirling Prize criteria 'goes beyond aesthetics'

17 July 2014 Last updated at 11:06 BST

Criteria for the Stirling Prize for architecture goes beyond simply outward aesthetics, Julia Barfield has said.

Ms Barfield, a member of the Royal Institute of British Architects's panel that chose the award's shortlist, said that the buildings' utility, inward space and use of natural light all carry their own importance.

Six architecture projects are vying for the prestigious award this year including the Shard skyscraper and Zaha Hadid's London Aquatics Centre.

The revamped Everyman Theatre in Liverpool, the Library of Birmingham, the London School of Economics and Manchester School of Art are also in the running.

First broadcast on BBC Radio 4's Today programme on Thursday 17 July.

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