Tree branch outside my window

A branch (7.5 m long, maybe) belonging to a cottonwood tree fell on the garage roof last night:


It showered Friday evening for an hour or two so it seems the shock of the water weight caused the failure.

The trunk:


mid-section:


tip:


The branch attaches to the trunk about 7-8 m off the ground. Saw a squirrel scampering up the new pathway between the garage roof and the tree. Fun.