The Rev Kate Bottley is in Gloucester Cathedral's Workshop of St Peter to explore the work of its stonemasons throughout its long history, even learning some of their traditional skills herself.The cathedral's stained-glass windows add to the magnificence of the building, and leading artist Thomas Denny reflects on his installation in one of the chapels.Elsewhere in the city, Gemma Hunt meets a woman whose recovery from addiction led her to find faith, which she now relies on to support those in need in the community.With hymns and songs from across the UK that speak of the foundations of faith.