Leaders of the Asia-Pacific Economic Cooperation (APEC) summit pose for photographs in traditional Korean clothes, known as the "Hanbok", in Pusan, South Korea November 19, 2005. [Pacific Rim leaders agreed on Saturday to strengthen cooperation to fight bird flu, including staging a "desk-top" simulation drill in early 2006 to test responses in the event of a pandemic.] The leaders pictured are (back row L-R): Mexico's President Vicente Fox, New Zealand's Prime Minister Helen Clark, Papua New Guinea's Prime Minister Michael Somare, Peru's President Alejandro Toledo, Canada's Prime Minister Paul Martin, U.S. President George W. Bush, Thailand's Prime Minister Thaksin Shinawatra, Taiwan's Acting Prime Minister Lin Hsin-i, Singapore's Prime Minister Lee Hsien Loong and Russia's President Vladimir Putin. (Front row L-R): Australia's Prime Minister John Howard, Brunei Sultan Hassanal Bolkiah, Philippine President Gloria Macapagal Arroyo, China's President Hu Jintao, Vietnam's President Tran Duc Luong, South Korea's President Roh Moo-hyun, Chile's President Ricardo Lagos Escobar, Malaysia's Prime Minister Abdullah Ahmad Badawi, Japan's Prime Minister Junichiro Koizumi, Indonesia's President Susilo Bambang Yudhoyono and Hong Kong Chief Executive Donald Tsang. REUTERS/Japan Pool- Kenji Konoha