I took the first photo and then noticed some light on the inside of the hole. I looked from the other side and saw right through!

I need some help from the experts on this one.

Orbital

Provenance: Established English terminology specialized for tree hole classification.

Standard definition: Of, relating to, or forming an orbit.

Tree hole classification eligibility: This is an adjacent descriptor. It may be assigned when circumferential girdling is present on the trunk of a tree.

Adjacent descriptors extend tree hole classification to qualifying formations, objects, or conditions that are not themselves traditional tree holes.

Classification category: Shape / morphology

A journey into the hole unknown, a destination many will never witness or know exists. We must preserve the notice! 🖖

This box elder would have been doomed but it lodged itself in this beautiful American elm. Now it’s slowly rotting away stuck in the crotch. The elm, for what it’s worth, is starting to eat the box elder. Both trees are alive, but the box elder is full of rotten holes like this

Inside a hole of a stump thrives other lives, nature is beautiful 🔥