 The chapels in S. Silvestro in Arasio and SS Nazaro in Celso were first mentioned in 1270 and 1442 respectively.The local economy was based on agriculture as well as emigration of architects and builders from the Gilardi, Lucchini, Berra and Camuzzi families into various European countries, especially Russia.Several of these builders were able to create major works in these foreign cities and rise to great fame.