(L-R) Japan's Foreign Minister Takeaki Matsumoto, Prime Minister Naoto Kan and Japan's Trade And Industry Minister Banri Kaieda attend a trilateral summit of China, Japan and South Korea in Tokyo May 22, 2011. [Photo/Agencies]
South Korean President Lee Myung-bak (C) attends a trilateral summit of China, Japan and South Korea in Tokyo May 22, 2011. [Photo/Agencies]