START

Introduction to the Conserving Oxford's Stone Heritage audio tour. (Speaker: Martin Coombes)

More details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH

STOP A Sheldonian Theatre: Talking Heads

The origins and history of these intriguing carved stone figures, one of the iconic landmarks of the city. (Speaker: Katrin Wilhelm)

Part of the Conserving Oxford's Stone Heritage audio walking tour, more details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH

STOP B New College Lane: Black and dirty, or rich in history?

The blackened crusts on these walls hold a clue to the environmental history of Oxford city centre. (Speaker: Heather Viles)

Part of the 'Conserving Oxford's Stone Heritage' Walking Tour, see www.oxrbl.com/audiotour for more details. Twitter: @OxStoneHeritage #COSH

Oxford's walls aren't sterile lumps of stone - hear about some of the life they support. (Speaker: Martin Coombes)

Part of the 'Conserving Oxford's Stone Heritage' Walking Tour, see www.oxrbl.com/audiotour for more details. Twitter: @OxStoneHeritage #COSH

This church holds an intriguing clue of turbulent times in Oxford's past. (Speaker: Lisa Mol)

Part of the Conserving Oxford's Stone Heritage audio walking tour, more details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH

This is probably the most famous landmark in Oxford, and the stone it's built from tells its own tale. (Speaker: Katrin Wilhelm)

Part of the Conserving Oxford's Stone Heritage audio walking tour, more details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH

This relatively modern building (part of St. John's College) shows the importance of shelter on stone decay. (Speaker: Cristina Cabello-Briones)

Part of the Conserving Oxford's Stone Heritage audio walking tour, more details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH

This historic building has undergone major recent redevelopment to ensure it can be enjoyed by the public for centuries to come. (Speaker: Shuaishuai He)

Part of the Conserving Oxford's Stone Heritage audio walking tour, more details at: www.oxrbl.com/audiotour Twitter: @OxStoneHeritage #COSH