Sunday marked 10 years since Japan's move to put the China-claimed Senkaku Islands under state control, and comes at a time when Tokyo says it is "extremely concerned" over Beijing's ongoing activities around the contested islets.The Senkakus, called Diaoyu by China, have been problematic for bilateral ties since the Japanese government purchased three of the islets a decade ago, including the biggest island Uotsuri, from a Japanese individual.China began claiming the Japan-administered uninhabited islets in the East China Sea in the early 1970s after United Nations studies indicated potent…READ FULL ARTICLE