Friends and relatives of China's 110m hurdles star Liu Xiang will find it more difficult to reach him by cell phone or through MSN on the Internet as the reigning Olympic champion has been asked to limit his links to the outside world until the Beijing Games.

Liu Xiang, together with his coach Sun Haiping (left), arrives at the athletes' apartment of the State General Administration fro Sports in Beijing yesterday. [sina] Liu arrived in Beijing yesterday from Shanghai to start his closed-door winter training. He is being carefully handled by the State General Administration of Sports in order to avoid "unnecessary distractions".

He will also not be allowed to attend any commercial events before the Games - his public appearance on December 7 in Shanghai was his last until next summer.

Liu Xiang, together with his coach Sun Haiping (left), arrives at the athletes' apartment of the State General Administration for Sports in Beijing yesterday. Zhong Ti Liu has said he enjoys commercial shoots. He says they are fun and and good opportunity to relax.

"I like the experience of shooting commercials. Interesting things happen and make me happy. I also have time to chat with friends like Yao Ming and (China's diving queen) Guo Jingjing."

Liu's head coach Sun Haiping agreed: "As long as they're not going too far, the shoots are a good way to relax and tune up."

But now Liu has to abandon his time of relaxation and leisure and put 100 percent of his attention towards preparation.

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