When we reached our residency location at the Biology station at Kilpisjarvi (thank you Finnish Bioart society and University of Helsinki), Lou and I managed to successfully make birch tar from birch bark....
Exploring the birch tar. We used some of it to glue the 'clay conversations' inside a ceramic pot...
...then made a pit fire from birch wood to fire them
before leaving them to their fate at the tri border point between Norway, Sweden and Finland in Lake Kilpisjarvi.