Clapham Common Tourist attraction in London, United Kingdom

Reference:stevekeiretsu / CC BY-NC-ND 2.0
Reference:Chris Reynolds / CC BY-SA 2.0
Reference:Justinc / CC BY-SA 2.0
Reference:J. M. W. Turner / Public domain
Map gps coordinates: 51.457778, -0.149444
Address: 8A Windmill Dr, London SW4 9DE, UK

While traveling on a ship, Benjamin Franklin had observed that the wake of a ship was diminished when the cooks scuttled their greasy water. He studied the effects on a large pond in Clapham Common, London. 

Source: Wikipedia