Found these Tree Hugging chairs on the www. No source.
The story
These chairs were laid out for a wedding in 1939 in Poland. The wedding was abandoned, and so were the chairs due to the German invasion. They were found again after the war with the trees growing through them. Every year they are repainted.
To me it sounds like an urban legend…
It is from here: https://www.flickr.com/photos/mmarsupilami/489589363 It is art instalation. Unfortunately not Poland.