Tokyo Olympics 2020: Medals to be made of recycled metals
It remains unclear whether the use of recycled metals would be cost efficient, though officials are keen to rein in soaring costs.
Nov 09, 2016, 17:48 PM IST
Environmentally friendly
It remains unclear whether the use of recycled metals would be cost efficient, though officials are keen to rein in soaring costs.
Nov 09, 2016, 17:48 PM IST