Medieval Christian cemeteries often overfilled, especially if the cemetery was thought especially holy. Demand was so high in some places graves were regularly

Medieval Christian cemeteries often overfilled, especially if the cemetery was thought especially holy. Demand was so high in some places graves were regularly reused: the bones were exhumed and stacked wherever they would fit. For a spectacular answer to the "What do we do with all these bones?" question, check out the ossuary at Sedlec in the Czech republic: https://en.wikipedia.org/wiki/Sedlec_Ossuary?wprov=sfla1 https://en.wikipedia.org/wiki/Sedlec_Ossuary?wprov=sfla1