Chapel of Bones, Evora, Alentejo, Portugal, Europe

evora alentejo portugal europe ossuary human skulls bones architecture history cultural heritage cemetery monk spirituality mortality tourist attraction historical site gothic architecture baroque elements religious significance bone walls faith local customs tourism grave traditions sacred space ancient site preservation visitor experience macabre art symbolism anthropological site memorial craftsmanship unique location heritage site exploration niche tourism skeletons decorative art funeral practices religious art historical culture evocative site chapel