Multi-analytical study of the medieval wall paintings from the rupestrian church at Lentini (eastern Sicily): new evidence of the use of woad ().

Unlabelled: This study presents the results of the examination and characterisation of the wall paintings that decorate the rupestrian church named , which is located in the territory of Lentini (eastern Sicily, few tens of kilometres from Catania and Syracuse). The earliest mural paintings in the church date back to the twelfth century AD. A multi-analytical approach was adopted for the characterisation of stone materials, secondary degradation products, and pigments.