Out in the lagoon, Venetians have been manufacturing glass on the island of Murano since 1292, when the hazardous furnaces were moved away from the city center.
Murano has never been the site of glass making.
mnli hypothesis: Murano has never been the site of glass making. premise: Out in the lagoon, Venetians have been manufacturing glass on the island of Murano since 1292, when the hazardous furnaces were moved away from the city center.