A clock showing a countdown to the start of the London 2012 Olympics is unveiled on March 14, 2011 in London, England. The clock is starting five hours from midnight when 6.6 million tickets for the Olympics will become available and 500 days before the Games start. There is a six-week window to apply for tickets on the London 2012 website.

A sheep and a gentleman farmer take to the streets of London today to mark the launch the new English Countryside chapter of Farmville, Zynga's global social gaming phenomenon on March 29, 2011 in London, England. Farmville English Countryside gives players all-new crops, buildings and decorations located in the beautiful English Countryside. (Photo by Gareth Cattermole/Getty Images for Farmville)

An installation consisting of a series of bird boxes is displayed in a tree in Duncan Terrace Gardens in Islington on March 24, 2011 in London, England. The boxes by artists Bruce Gilchrist and Jo Joelson of “London Fieldworks”, were designed to reflect the architecture of the Georgian terraces and flats that surround the park in the community gardens. (Photo by Dan Kitwood/Getty Images)

A performer poses with “The Gronkle” and “Deadly Nadder” at the How to Train Your Dragon Media Call at Fox Studios on November 29, 2011 in Sydney, Australia. The “How to Train Your Dragon Arena Spectacular” world premiere will take place in Australia in March 2012. (Photo by Brendon Thorne/Getty Images)

Participants of the annual “SlutWalk” march through the Israeli Mediterranean coastal city of Tel Aviv on May 4, 2018 to protest against rape culture, including sexual assault and harassment directed at women. The campaign, which has gained international notoriety, was inspired by group of Canadian women who launched the protest in 2011 in response to a policeman' s comment that if women want to avoid being attacked they should not dress like sl*ts. (Photo by Jack Guez/AFP Photo)

A wedding couple poses for a photographer during a wedding photo shoot March 9, 2011 in Hanoi, Vietnam. Its is traditional for middle and upper class Vietnamese couples do a wedding fashion shoot posing for wedding portraits a few weeks before the wedding so that a wedding photo book is produced. (Photo by Paula Bronstein /Getty Images)

A muslim woman protests opposite Downing street against the military action taken by the UK, USA and France against Libya on March 21, 2011 in London, England. The Pentagon says that United States and United Kingdom military forces have fired more than 110 missiles, with French planes attacking pro-Gaddafi forces near rebel-held Benghazi. (Photo by Oli Scarff/Getty Images)

Hindu devotees play with coloured powders during Holi celebrations at the Bankey Bihari Temple on March 21, 2011 in Vrindavan, India. Holi, the spring festival of colours, is celebrated by Hindus around the world in an explosion of colour to mark the end of the winter. (Photo by Majid Saeedi/Getty Images)