in 1892 Venus by Paul Arthur Schwarz and Olga Etienne, in 1902 Vulcain by Maurice Ditisheim, in 1858 Twin town La Chaux-de-Fonds is twinned with Frameries, Belgium Notes and references External links Watchmaking Heritage Day: Saturday 7 November 2009 Official website of the City of La Chaux-de-Fonds La Chaux-de-Fonds / Le Locle: Pictures Gallery International watchmaking museum website The Art Nouveau season of events in the city Cities in Switzerland World Heritage Sites in Switzerland Cultural property of national significance in the canton of Neuchâtel Art Nouveau architecture in Switzerland