Throw mortar boards to claim Guinness World Record Kevin McCarthy, director of the London Education Authority, shows the certificate after...

Throw mortar boards to claim Guinness World Record

Kevin McCarthy, director of the London Education Authority, shows the certificate after 295 students from more than 100 countries and regions tossing their mortar boards in a Guinness World Record attempt for the most people throwing mortar boards simultaneously in London, Britain, May 30, 2012. (Xinhua/Wang Lili)

Photo taken on May 30, 2012 shows 295 students from more than 100 countries and regions tossing their mortar boards in a Guinness World Record attempt for the most people throwing mortar boards simultaneously in London, Britain. (Xinhua/Wang Lili)

Photo taken on May 30, 2012 shows 295 students from more than 100 countries and regions tossing their mortar boards in a Guinness World Record attempt for the most people throwing mortar boards simultaneously in London, Britain. (Xinhua/Wang Lili)

295 students tossed their mortar boards in a Guinness World Record attempt for the most people throwing mortar boards simultaneously in London.