@Romulus369
Thank you for sharing another of your interesting creations 
I was listening to a discussion on BBC Radio today, about:
https://www.southbankcentre.co.uk/whats-on/exhibitions/hayward-gallery-art/among-the-trees
The subject of interest connected with the above was:
…a vast forest of trees constructed entirely from cardboard by Eva Jospin.
Apparently she had moved to a new Studio and did not have enough money to purchase materials, and decided to make use of the packaging boxes as soon as they were emptied.
Perhaps this is worthy of adding to your chart for Reuse of Cardboard, and probably the nearest humans will get to recycling Trees back into ‘trees’?