DERNIÈRES IMAGES - Hillary Clinton en Chine

PHOTO 1 - US Secretary of State Hillary Clinton's note that she signed in the guestbook is viewed after touring the Chinese Pavilion at the Shanghai World Expo 2010 in Shanghai on May 22, 2010. Clinton toured the World Expo in Shanghai ahead of talks likely to focus on the sinking of a South Korean warship, blamed on North Korea. Clinton appeared relaxed as she visited China's much-touted Expo before discussions in Beijing that are expected to be dominated by the row.

PHOTO 2 - US Secretary of State Hillary Clinton (C) signs a guestbook after touring the Chinese Pavilion at the Shanghai World Expo 2010 in Shanghai on May 22, 2010. Clinton toured the World Expo in Shanghai ahead of talks likely to focus on the sinking of a South Korean warship, blamed on North Korea. Clinton appeared relaxed as she visited China's much-touted Expo before discussions in Beijing that are expected to be dominated by the row.

PHOTO 3 - US Secretary of State Hillary Clinton tries a General Electric (GE) x-ray simulator while touring the US Pavilion at the Shanghai World Expo 2010 in Shanghai on May 22, 2010. Clinton toured the World Expo in Shanghai ahead of talks likely to focus on the sinking of a South Korean warship, blamed on North Korea. Clinton appeared relaxed as she visited China's much-touted Expo before discussions in Beijing that are expected to be dominated by the row.

PHOTO 4 - US Secretary of State Hillary Clinton leaves after touring the US Pavilion at the Shanghai World Expo 2010 in Shanghai, May 22, 2010. US Secretary of State Hillary Clinton is in China on Friday for a visit set to culminate next week with wide-ranging talks in Beijing, with tensions running high over North Korea.