The Chemin des Longs Sillons is a group of high walls specific to the commune of Thomery in the Seine-et-Marne region, built in the first third of the 18th century to grow table grapes of a local variety known as “Chasselas de Thomery”. Since 1993, they have been listed as Historic Monuments1 (MH) in the Seine-et-Marne MH list.

Most of the village of Thomery and the former commune of By, now merged with Thomery, are criss-crossed by high walls, spaced 9 to 10 metres apart and up to 100 metres long, which follow the natural slope of the Thomery hillside down to the Seine2. These 2.50 to 3-meter-high walls, made of stones held together with earth mortar, were erected for Thomery's particular espalier grape-growing technique, in order to restore as much heat as possible to the vines grown in this very northerly area for table grapes.

• La Tauromaquia
• Francisco Goya's tapestry cartoons

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• Cruzada Villaamil, Gregorio (1870). Los tapices de Goya. Rivadeneyra. OCLC 27205287.
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