Canadian Prime Minister Stephen Harper (front R) is flanked by G-8 leaders as they stroll down a path on their way to pose for the leaders' group photo at the G-8 Summit in Huntsville, Ontario, on June 25, 2010. From the left are: British Prime Minister David Cameron, European Council President Herman Van Rompuy, Russian President Dmitry Medvedev, Prime Minister of Japan Naoto Kan, Italian President Silvio Berlusconi, European Commission President Jose Manuel Barroso, U.S. President Barack Obama, German Chancellor Anglea Merkel and French President Nicolas Sarkozy. [Xinhua]