Chinese President Hu Jintao (2nd R), Brazilian President Luiz Inacio Lula da Silva (2nd L), Russian President Dmitry Medvedev (1st L) and Indian Prime Minister Manmohan Singh (1st R) shake hands during a group photo session at the second summit meeting of BRIC (Brazil, Russia, India and China) leaders in Brasilia, capital of Brazil, April 15, 2010. [Liu Weibing/Xinhua]