Elevated view of the new Dubai skyline of modern architecture and skyscrapers including the Burj Khalifa on Sheikh Zayed Road, Dubai, United Arab Emirates, Middle East

Jackie Howe Statue, Memorial to Jackie Howe, record-breaking sheep shearer Local hero, fastest shear in 1892, Matilda Highway, Queensland, Australia

Presidential candidate and Democratic front runner, Barack Obama, speaks in front of huge crowd of people at a record breaking political rally in Waterfront Park, Portland, Oregon on May 18, 2008. The City of Portland Fire Department estimated crowd attendance at 72,000. It was the largest campaign rally to date for the candidate and the largest political rally in Oregon history.

Presidential candidate and Democratic front runner, Barack Obama, speaks in front of huge crowd of people at a record breaking political rally in Waterfront Park, Portland, Oregon on May 18, 2008. The City of Portland Fire Department estimated crowd attendance at 72,000. It was the largest campaign rally to date for the candidate and the largest political rally in Oregon history.

Presidential candidate and Democratic front runner, Barack Obama, speaks in front of huge crowd of people at a record breaking political rally in Waterfront Park, Portland, Oregon on May 18, 2008. The City of Portland Fire Department estimated crowd attendance at 72,000. It was the largest campaign rally to date for the candidate and the largest political rally in Oregon history.

Presidential candidate and Democratic front runner, Barack Obama, speaks in front of huge crowd of people at a record breaking political rally in Waterfront Park, Portland, Oregon on May 18, 2008. The City of Portland Fire Department estimated crowd attendance at 72,000. It was the largest campaign rally to date for the candidate and the largest political rally in Oregon history.