London 2012 Olympics: 100 days to go

Updated 0954 GMT (1754 HKT) April 18, 2012
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More than 250 Guardsmen mark 100 days until the London 2012 Olympics starts on on July 27. They are at Horse Guards Parade in central London, which will host beach volleyball. LOCOG/Getty
China, which hosted the previous Olympics in 2008, also marked the milestone as athletes performed outside the Bird's Nest stadium in Beijing. Getty Images
Melissa Wu, a diving silver medallist four years ago, poses with Australia's Boxing Kangaroo Olympic mascot as the 100-day landmark is celebrated in Sydney.
The future of London's new Olympic stadium is one of the unresolved issues surrounding the Games' legacy. Getty Images
Olympic mascots Wenlock and Mandeville strike a pose outside the London 2012 store at Heathrow Airport. Getty Images
Giant Olympic rings are towed on the River Thames in front of the city's iconic Tower of London on February 28, 2012. Getty Images
The Arcelor Mittal Orbit viewing platform seen next to the Olympic stadium. World-renowned sculptor Anish Kapoor designed the skyscraping sculpture that stands at 115 meters high. AFP/Getty Images
London 2012 Olympic Torchbearers Dinah Gould and Dominic John MacGowan pose with Mayor of London Boris Johnson on March 19, 2012. Getty Images
The Duchess of Cambridge, Kate Middleton, meets Great Britain's Hockey Team at London's Olympic Park on March 15, 2012. Getty Images
Members of the emergency services take part in a London Olympics security drill entitled Exercise Forward Defensive on February 22, 2012. The exercise was to test responses to a possible terrorist incident during the Games. AFP/Getty Images
British rowing legend Matthew Pinsent helps lift in the first of 16,000 beds to be installed in London's Olympic Village on January 26, 2012. LOCOG
Analyst Jignasha Patel prepares a sample for testing in the anti-doping laboratory which will test athletes' samples from the London 2012 Games on January 19, 2012. Getty Images
Workers carry out the installation of artist Monica Bonvicini's "RUN'"sculpture in the plaza of the London 2012 Handball Arena at the Olympic Park on January 12, 2012. Getty Images
Models wear the Volunteers Uniform for London 2012 at a photocall at the Olympic Park on November 22, 2011. Getty Images
Organizers expect 80% of the eight million ticket-holders to use the various rail systems, including the tube, during the Games. There will also be an Olympic Route Network where road traffic will be shut off to allow 55,000 athletes, officials and media to get to venues each day. Getty Images