The organizers of next year's Tokyo Olympics and Paralympics say they plan to make the medal-ceremony podiums out of plastic waste.
The organizing committee announced the environmentally friendly plan on Tuesday.
The committee is considering using thrown-away household plastics, such as detergent containers, as well as plastic waste recovered from the ocean.
The plan calls for making about 100 podiums. It will require about 45 tons of plastic, which may be reinforced with aluminum.
The committee will work with entities including P&G, a leading consumer goods company that is also one of the sponsors of the International Olympic Committee, to collect the waste and manufacture the podiums.
Reducing plastic waste is one of the central pillars of international efforts against environmental pollution.
Last month, Japan's government announced a strategy for recycling plastic. It includes a policy requiring supermarkets, convenience stores and other retailers to stop offering free plastic bags to customers.
Reducing the amount of plastic waste in the world's oceans will be on the agenda at the G20 summit in Osaka later this month.