South Korean President Park Geun-Hye (centre L) meets with Chinese Chairman of the National People's Congress Zhang Dejiang (centre R) at the Great Hall of the People in Beijing on June 28, 2013. Park Geun-Hye is on a visit to China from June 27 to 30. AFP PHOTO / POOL / WANG ZHAO
Argentinian President Cristina Fernandez de Kirchner speaks to chairman of the Standing Committee of China's National People's Congress, Zhang Dejiang during their meeting at the Great Hall of the People on February 5, 2015 in Beijing, China,. The Argentinian leader is on an official visit and is expected to meet with Chinese counterparts to boost bilateral ties.
President Barack Obama (L) shakes hands with Chairman of the Standing Committee of the National People's Congress (NPC) Zhang Dejiang during a meeting at the Great Hall of the People on November 12, 2014 in Beijing, China. Obama is on a state visit, after attending the APEC summit, during a week-long trip to the Asia-Pacific.