I'm a bit vague about the current whereabouts of this - I heard a rumour that the owner may have cut bits of it off to get it through a narrow doorway.
No matter: it was built as a display piece for a forestry interpretive centre on the West Coast of Vancouver Island, and shows the global extent of the temperate rain forests.
My friend Neil Bulman-Fleming was drafted in to provide the motive power for the "lathe". This technique of using a slowly rotating built-up lamination and a powered wood-carving tool guided by a shaped fence (in this case a semi-circle) is one that I think has possibilities......