Frescoes, Basilica of Saint Catherine of Alexandria, Galatina, Lecce, Salento, Apulia, Italy

frescoes basilica saint catherine alexandria galatina lecce apulia italy religious art biblical stories heritage architecture cultural site colors historical monument spirituality sacred space wall paintings detail christian iconography worship place salento italian artistry medieval church interior renaissance saints narratives altar intricate designs devotion fresco technique craftsmanship tradition community mural significance