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Naoki Inose, Governor of Tokyo, center, gestures to the media, with Teru Fukui, Minister in charge of sports, left, Tsunekazu Takeda, Tokyo 2020 President, Japanese Olympic Committee President and IOC Member, second left, Homare Sawa, Tokyo 2020 bid ambassador and soccer Olympian and Takayuki Suzuki, right, Tokyo 2020 bid ambassador and double bronze medalist in the London 2012 Paralympic Games, as they pose for the photographers following their first international presentation of their bid for the 2020 Olympic Games, in London, Thursday, Jan. 10, 2013.
LONDON—Leaders of Tokyo's bid for the 2020 Olympics have begun their international promotion campaign in London, promising to match or surpass the success of the games held there six months ago.

Getting a jump on rivals Madrid and Istanbul, Tokyo officials outlined their candidacy at a news conference in London on Thursday three days after submitting their bid documents to the IOC in Switzerland.

With a high-profile delegation featuring Tokyo's new governor, Naoki Inose, the Japanese team sought to capitalize on the feel-good factor of the London Games. Bid leader Tsunekazu Takeda says "our aim is to raise the bar even higher."

Tokyo played up Japan's economic stability and dismissed concerns about nuclear radiation, the territorial dispute with China and public support levels below those of Istanbul and Madrid.