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The Conservation of Decorated Architectural Surfaces: Some Perspectives

A detail of the gilded and glass tesserae of the medieval mosaic on the façade of St. Vitus Cathedral in Prague Castle. The GCI worked with Czech cultural authorities, conservators, and scientists to determine the causes of the mosaic's deterioration and to develop a conservation strategy that included conservation and restoration, application of an innovative protective coating, and implementation of a long-term monitoring and maintenance plan. Photo: Dusan Stulik, GCI.