Cathedral of Christ the Savior, Avila, UNESCO World Heritage Site, Castilla y Leon, Spain, Europe

cathedral avila spain europe architecture interior altar stained glass worship history serene spiritual religious site cultural heritage tourism travel historic building ancient architecture medieval stonework craftsmanship religious art wooden benches vaulted ceiling light shadows symmetry peaceful visitors attraction sacred space christian heritage monument pilgrimage historical iconic ornate gothic baroque monumental restoration enchanting calm atmosphere art history landmarks exploration