> It used to be that when dead animals were incinerated, the resulting black ash was mixed with bitumen and used as road surfacing. https://www.theguardian.com

> It used to be that when dead animals were incinerated, the resulting black ash was mixed with bitumen and used as road surfacing. https://www.theguardian.com/environment/2021/apr/13/the-knacker-the-toughest-job-in-british-farming https://www.theguardian.com/environment/2021/apr/13/the-knac...