Restoration of various Statues of the Virgin Mary, Antwerp

In Antwerp, the many statues of the Virgin that adorn the facades of houses are part of the cultural heritage of the city. They deteriorate, and many disappear: more today than in the past.
This task has been taken over by citizens' groups like the "Vereniging voor Kruis en Beeld". Once the restorations were rather "amateurishly": tinkering, overpaints. Nowadays a more scientific intervention is …