Most interesting are the Macchiaioli (from the verb macchiare, to blotch or stain) school of Tuscan pre-Impressionists, who met at Florence's Cafe Michelangelo in the 1860s seeking a new freedom from academic art that paralleled the political liberation of the Risorgimento.
The Macchiaioli school met at Florence's Cafe.
The advantages and disadvantages of effluent grab and composite samples are listed