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This is pure gold!

Why do Olympic athletes bite their medals?

Anyone who wants to prove whether an item is real gold only needs to grit his teeth and write Sophie Roberts.

Since metal is naturally soft and malleable, if you bite it, you should be able to leave dents.

Nevertheless, the medals of the past 50 years do not actually contain a large amount of gold.

This year, the first place medal is believed to contain slightly more than 1% gold, with the rest being silver and bronze.

Although athletes no longer bite medals to check their authenticity, the posture of medals has become an iconic part of the Olympic culture.

At the 2016 Rio Olympics, this trend continued to prevail-and it is expected to be the same in Tokyo.





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