In the picture from front row L-R, France's President Francois Hollande, Argentina's President Cristina Fernandez, Indonesia's President Susilo Bambang Yudhoyono, US President Barack Obama, China's President Hu Jintao, Mexico's President Felipe Calderon, South Korea's President Lee Myung-bak, South Africa's President Jacob Zuma, Brazil's President Dilma Rousseff, Russia's President Vladimir Putin. Middle row from left, European Commission's President Jose Manuel Barroso, Italy's Prime Minister Mario Monti, Turkey's Prime Minister Recep Tayyip Erdogan, Australia's Prime Minister Julia Gillard, Germany's Chancellor Angela Merkel, India's Prime Minister Manmohan Singh, British Prime Minister David Cameron, Canada's Prime Minister Stephen Harper, Japan's Prime Minister Yoshihiko Noda, European Council President Herman Van Rompuy, Saudi Arabia Minister of Finance Ibrahim bin Abdulaziz Al-Assaf. Back row from left, Bank of Canada Governor Mark Carney, OECD Secretary General Jose Angel Gurria, World Bank's President Robert Zoellick, FAO Director-General José Graziano da Silva, Spain's Prime Minister Mariano Rajoy. Cambodia's Prime Minister Hun Sen, Colombia's President Juan Manuel Santos, Chile's President Sebastian Pinera, Benin's President Boni Yayi, Ethiopia's Prime Minister Meles Zenawi, United Nations Secretary-General Ban Ki-moon, Juan Somavía Director-General of the International Labour Organization, IMF's Managing Director Christine Lagarde, WTO Director General Pascal Lamy.

Russia's President Vladimir Putin and U.S. President Barack Obama shake hands in Los Cabos, Mexico, at the G20 summit on June 18.