All of the medals for next year's Tokyo Olympics will be made from recycled materials from mobile phones and other electronic devices.

Around 5,000 gold, silver and bronze medals will be manufactured for 2020 Olympic and Paralympic Games.

Since April 2017, officials in Japan have been appealing for small devices in order to manufacture the medals needed.

By October of last year, local authorities in the country and the NTT Docomo phone company had collected millions of phones and other electronic devices:

Tokyo 2020 organisers now say they've now secured the necessary amount of metals for the tournament, and will stop collecting devices from the public from next month.

The recycling process sees the phones dismantled, the metal extracted and then refined.

Organisers say the project was an attempt to achieve a 100% recycling rate, and also to get Japanese citizens involved in the Olympics project.

They explain: "The idea of using recycled metals in medals has been used in the past.

"However, this project makes Tokyo 2020 a first in the history of the Olympics and Paralympics by involving citizens in the collection of consumer electronics for the purpose of manufacturing medals, and manufacturing medals from the extracted gold."

The Tokyo Olympics summer games will take place in July and August of next year, and will mark the first time the Japanese capital has hosted the games since 1964.