Piccadilly Circus is a road junction and public space of London's West End in the City of Westminster, built in 1819 to connect Regent Street with the major shopping street of Piccadilly. The name 'Piccadilly' originates from a 17th century frilled collar named piccadil. Roger Baker, a tailor who became rich making piccadils lived in the area.In this context, a circus, from the Latin word meaning "circle", is a round open space at a street junction.(from Wikipedia).Piccadilly Circus is a busy square in the heart of London. It is famous for the fountain that was installed here at the end of the 19th century and for the neon advertising that turned the square into a miniature version of Times Square.