<P> On special occasions the lights are switched off, such as the deaths of Winston Churchill in 1965 and Diana, Princess of Wales in 1997 . On 21 June 2007, they were switched off for one hour as part of the Lights Out London campaign . </P> <P> Other companies and brands that have had signs on the site were Bovril, Volkswagen, Max Factor, Wrigley's Spearmint, Skol, Air India and Gold Flake (as Will's Gold Flake Cigarettes). </P> <P> At the southeastern side of the Circus, moved after World War II from its original position in the centre, stands the Shaftesbury Memorial Fountain, erected in 1892--1893 to commemorate the philanthropic works of Lord Shaftesbury, a Victorian politician, philanthropist and social reformer . The subject of the Memorial is the Greek god Anteros and was given the name The Angel of Christian Charity but is generally mistaken for his brother Eros . </P> <P> The Criterion Theatre, a Grade II * listed building, stands on the south side of Piccadilly Circus . Apart from the box office area, the entire theatre, with nearly 600 seats, is underground and is reached by descending a tiled stairway . Columns are used to support both the dress circle and the upper circle, restricting the views of many of the seats inside . </P>

What is the statue in piccadilly circus called