great piece by artist Eoin Mac Lochlainn on drawing etc with charcoal and ancient charcoal cave drawings

https://emacl.wordpress.com/2021/08/12/the-long-history-of-charcoal-drawing/
great piece by artist Eoin Mac Lochlainn on drawing etc with charcoal and ancient charcoal cave drawings
https://emacl.wordpress.com/2021/08/12/the-long-history-of-charcoal-drawing/