• Kyodo

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Preparations for the 2020 Tokyo Olympics have kicked into full gear, with the world’s biggest quadrennial sports event just three years away.

One of the biggest challenges facing any host city for the Olympics is how to make the event sustainable. For Tokyo, organizers are trying to come up with new ways to make the games sustainable, through such projects as recycling metals from discarded cellphones into the medals awarded to Olympic athletes.

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