Chapel of Santa Eulalia de Oviedo, Cathedral of the Holy Savior, UNESCO, Oviedo, Asturias, Spain

chapel santa eulalia cathedral holy savior oviedo asturias spain baroque architecture altar unesco ornate historical religious art craftsmanship light interior stone sacred design heritage cultural details decoration building visiting landmark tourism history spirituality worship medieval majestic sanctuary carvings pillars ambience space artistry graffiti restoration feeling serene site touristic exploration experience