Queen Elizabeth II and her husband Prince Philip arrive for the opening ceremony of the Commonwealth Heads of Government Meeting (CHOGM) at the Mediterranean Conference Centre in Valletta on November 27, 2015. The 2015 Commonwealth Summit kicks off today to a grand opening ceremony with Queen Elizabeth II, followed by intense working sessions where world leaders will grapple with climate change. As the clock ticks to a UN climate conference in Paris starting Monday, leaders including France's Francois Hollande, Britain's David Cameron and the UN's Ban Ki-moon will try to open the door to a landmark accord for taming greenhouse gases.    AFP PHOTO / MATTHEW MIRABELLI  --- MALTA OUT / AFP / Matthew Mirabelli        (Photo credit should read MATTHEW MIRABELLI/AFP/Getty Images)