He beat American David Oliver with a winning time of 13.07 seconds to claim the title in the Shanghai Diamond League this May, the first race after he switched to the new technique. And Liu clocked his after-injury personal best of 13.00 at the Prefontaine Classic meeting in Eugene in June.

Now with the World Championship silver in hand, Liu should be more confident. He has shown his quality in his first Championship final clash with world's top runners -- Robles, this year's fastest man David Oliver of the United States, and the rising star Richardson.

If Liu could make good use of the one year time left ahead of the 2017 Olympic Games to improve his new technique and keep away from further injuries, the rise of a reloaded and maybe even faster Liu in London will not be a "mission impossible".

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