Seine River Steamers of cascading ponds with a depth of 6 and a half feet. Early experiments with steam were started in 1780s on the Rhone River in France, and were perfected with Fulton's boat on the Seine in 1803. The British had the early lead with steam, from James Watt, William Symington, and Henry Bell, and thus it became logical that the technology transfer would migrate across the English Channel. The "Rob Roy" did such a task in 1816, while the "Aaron Maltby" left London and sailed up the Seine to Paris in 1822. A charter was issued for a tourist day
Seine policemen from the Pont Saint-Michel and other locations in Paris. Dredging in the 1960s mostly eliminated tidal bores on the lower river, known in French as ""le mascaret."" In 1991 UNESCO added the banks of the Seine in Paris—the "Rive Gauche" and "Rive Droite"—to its list of World Heritage Sites in Europe. Since 2002 Paris-Plages has been held every summer on the Paris banks of the Seine: a transformation of the paved banks into a beach with sand and facilities for sunbathing and entertainment. The river is a popular site for disposal of bodies of murder victims. In 2007, 55