Truong Tan Sang

An officer uses a string to ensure that members of the honour guard are standing in a straight line, ahead of a welcoming ceremony for visiting Vietnamese President Truong Tan Sang in Beijing...An officer uses a string to ensure that members of the honour guard are standing in a straight line, ahead of a welcoming ceremony for visiting Vietnamese President Truong Tan Sang outside the Great Hall of the People in Beijing June 19, 2013.

Kim Kyung-Hoon/Reuters

An officer uses a string to ensure that members of the honour guard are standing in a straight line, ahead of a welcoming ceremony for visiting Vietnamese President Truong Tan Sang outside the Great Hall of the People in Beijing, China.