1 of 5
The medals that will be awarded at Rio are the most sustainable in Olympic history: much of the silver is recycled from old mirrors and X-ray plates; the gold is free of mercury.
Credit: Reuters
2 of 5
The medals that will be awarded at Rio are the most sustainable in Olympic history: much of the silver is recycled from old mirrors and X-ray plates; the gold is free of mercury.
Credit: Reuters
Advertisement1
3 of 5
The medals that will be awarded at Rio are the most sustainable in Olympic history: much of the silver is recycled from old mirrors and X-ray plates; the gold is free of mercury.
Credit: Reuters
4 of 5
The medals that will be awarded at Rio are the most sustainable in Olympic history: much of the silver is recycled from old mirrors and X-ray plates; the gold is free of mercury.
Credit: Reuters
5 of 5
The medals that will be awarded at Rio are the most sustainable in Olympic history: much of the silver is recycled from old mirrors and X-ray plates; the gold is free of mercury.
Credit: Reuters