Tokyo Metropolitan Government

最热内容

自然与生物多样性

How the Tokyo 2020 Games could be the most sustainable yet

0.048 grams of gold, 0.26 grams of silver and 12 grams of copper1; the metals recycled from a typical mobile phone that are helping to create approximately 5,000 medals for the Olympic an...

2018年06月29日

深度产业

This is the surprising thing used to make medals for the 2020 Olympics

0.048 grams of gold, 0.26 grams of silver and 12 grams of copper1; the metals recycled from a typical mobile phone that are helping to create approximately 5,000 medals for the Olympic an...

2018年03月16日