Olympic and Paralympic medals for the Tokyo 2020 Games will be made from recycled mobile phones donated by the public．
   Olympic host cities have （1）

traditionally

traditionally

（tradition） obtained the metal from mining firms．But Japan， （2）

which

which

lacks its own mineral resources，is keen on taking the theme of a sustainable future a step （3）

further

further

（far）．
   "A project which allows the people of Japan （4）

to participate

to participate

（participate） in creating the medals is really good，and helps raise the environmental awareness of our citizens，" said Tokyo 2020 sports （5）

director

director

（direct） Koji Murofushi． "（6）

As/Because/Since

As/Because/Since

the resources of our earth are limited，we need to recycle more and avoid waste．This program is setting an example． "
   Collection boxes have been placed in local offices and telecom stores and they will remain there until the metal required（7）

has been collected

has been collected

（collect）．
   Members of the organizing committee put forward the idea （8）

to

to

government officials and companies earlier this year and won their support．
   As a result，the medals hanging around Olympic winners' necks will carry even more meaning than usual．People's personal memories，once （9）

stored

stored

（store） in their smartphones and other handheld devices，will take the round shape of an Olympic medal，one of the most precious （10）

prizes

prizes

（prize） in sport．