Sydneysiders walk amongst tar figures placed in the CBD to raise awareness about the damage smoking causes to the body at Martin Place on June 30, 2011 in Sydney, Australia. Each of the tar figures represent the profile of smokers, from the casual weekend smoker to the one with a lifelong addiction. (Photo by Lisa Maree Williams/Getty Images)

U.S. Park Police work to keep people away from the area surrounding the Washington Monument after a 5.8 magnitude earthquake struck the east coast August 23, 2011 in Washington, DC. Police officers said that unidentified material had fallen off the Washington Monument as a result of the earthquake. All the monuments and buildings along the National Mall have been evacuated and closed. (Photo by Chip Somodevilla/Getty Images)

The HMAS Adelaide is scuttled off the coast of Avoca Beach on April 13, 2011 in Gosford, Australia. After the scuttling was succesfully protested in 2010, today the HMAS Adelaide was finally scuttled off the NSW Central Coast to create an artifical reef, the first of its kind in this state. (Photo by Brendon Thorne/Getty Images)

Demonstrators are seen running for shelter from a protest against plans for new austerity measures October 19, 2011 in Athens, Greece. Greece's largest labor unions have called for a 48-hour strike, while the Socialist government is beginning to push through legislation for cost cutting reforms. (Photo by Milos Bicanski/Getty Images)

Catherine, Duchess of Cambridge smiles as she is saluted to during the Irish Guards Medal Parade at the Victoria Barracks on June 25, 2011 in Windsor, England. The Duchess of Cambridge and Duke of Cambridge are at the barracks to present service medals to members of the Irish Guards. (Photo by Chris Jackson/Getty Images)

Animal rights activists from the group “Animal Equality” are covered with plastic sheets to represent meat packaging as they stage a protest during “Day Without Meat” event in Barcelona, Spain, on March 20, 2013. (Photo by Lluis Gene/AFP Photo)

Lance Sergent Martin Mitchell (R) pins medals to Coldstream Guardsman Martin Hughes in the Tailor Shop in Wellington Barracks on April 20, 2011 in London, England. Soldiers involved in the Royal Wedding of Prince William and Catherine Middleton are preparing their ceremonial duties ahead of the day. (Photo by Oli Scarff/Getty Images)

A marine rescue worker from Sea World works in a joint attempt with his colleagues to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. (Photo by Jason O'Brien/Reuters)