In 2007, fishermen on the Loire were disgruntled by the arrival of what appeared to be a melting boat in their midst. Misconceivable, an artwork by the Austrian artist Erwin Wurm, was installed on a canal-side lock as part of Estuaire: a 60km-long art trail leading down the Loire from Nantes to the city of Saint-Nazaire on the coast. When, after three years, the ‘Bateau Mou’ (or ‘Soft Boat’
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