The Omega clock that will count down to the Tokyo 2020 Olympics was unveiled in Japan's capital today, marking one year until the Games begin ©Getty Images

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International Olympic Committee (IOC) Coordination Commission chairman John Coates and Tokyo 2020 Governor Yuriko Koike attended the unveiling ceremony ©Getty Images
International Olympic Committee (IOC) Coordination Commission chairman John Coates and Tokyo 2020 Governor Yuriko Koike attended the unveiling ceremony ©Getty Images
Traditional Japanese
Traditional Japanese "taiko" drums were played as part of proceedings ©Getty Images
Earlier in the day, a ceremony was held at Tokyo International Forum ©Getty Images
Earlier in the day, a ceremony was held at Tokyo International Forum ©Getty Images
Koike, left, was joined by the likes of Tokyo 2020 President Yoshirō Mori, IOC counterpart Thomas Bach and Japan's Prime Minister Shinzō Abe ©Getty Images
Koike, left, was joined by the likes of Tokyo 2020 President Yoshirō Mori, IOC counterpart Thomas Bach and Japan's Prime Minister Shinzō Abe ©Getty Images
The ceremony included the unveiling of the Tokyo 2020 medal designs ©Getty Images
The ceremony included the unveiling of the Tokyo 2020 medal designs ©Getty Images
Live music was performed by the Yoshida Brothers and by the Tokyo Ska Paradise Orchestra ©Getty Images
Live music was performed by the Yoshida Brothers and by the Tokyo Ska Paradise Orchestra ©Getty Images
Miraitowa, the official mascot of the Tokyo 2020 Olympics, was busy soaking up the atmosphere ©Getty Images
Miraitowa, the official mascot of the Tokyo 2020 Olympics, was busy soaking up the atmosphere ©Getty Images
There was also a rhythmic gymnastics performance by Japanese Olympian Honami Tsuboi ©Getty Images
There was also a rhythmic gymnastics performance by Japanese Olympian Honami Tsuboi ©Getty Images
Excitement is building for Tokyo 2020 ©Getty Images
Excitement is building for Tokyo 2020 ©Getty Images