A group of Japanese students has invented a way of turning cigarette butts into T-shirts.
The unusual recycling project involves the students collecting old cigarette butts from local parlours and gas stations.

After employing a technique developed by scientists to reduce harmful toxins, the threads are then  woven into a fabric before being used to make T-shirts, the Asahi Shimbun newspaper reported.

The idea was the brainchild of Shinji Sawai, 21, a student at College of Economics of...