Dead wood

More info: https://blogs.tcv.org.uk/tcv-scotland/uncategorized/2017/01/13/dead-good-deadwood-blog-whats-good-deadwood/?fbclid=IwAR1d6U_P_mLIqOSLTKpay8pSv8ZAhB8-d5PIHZJluDFSIfv5h8NHkKkQ43k

Acoustical panels made from a new plant-based material

https://www.dezeen.com/2019/02/09/baux-biodegradable-acoustic-panel-design/