(CNN) -- Olympic and Paralympic Games have traditionally always been about gold, silver and bronze, but organizers of Tokyo 2020 want their Games to be remembered for being green.
The Japanese public have been asked to donate unwanted mobile phones and other electronic items to help make 5,000 medals.
Organizers hope to get eight tonnes of metal from collection boxes which will be placed in local offices and telecoms stores around the country from April.
"There's a limit o
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