[ApplegateRanch]

You ever try to hollow out a 50 foot tree?........

with stone tools no less!

Trained beavers. They do the rough work, then the guys with the stone tools do the finishing.

I saw it done on a Looney Tunes documentary.

[Ditto]

I saw it done on a Looney Tunes documentary.

I have also learned so much from them over the years. ;~))