Sisley, Alfred (1839-1899) L’Inondation à Port-Marly (The Flood at Port-Marly) 1876 Oil on canvas, 50 x 61 cm Museo Thyssen-Bornemisza, Madrid ©Carmen Thyssen Collection Based in Marly-le-Roi from 1874 to 1877, Sisley executed a group of seven paintings on the flooding…