Abscission

Liquidambar styraciflua
Sweet-gum, Copalm Balsam, Alligator Wood, American Storax, Bilsted, Red gum, Satin walnut, Star-leaved Gum

The colours weren't great this year and it is still holding onto a few leaves, but... still a favourite tree, and one of the few pictures i took today so it'll have to do
I seem to remember being told they were native in pre ice age Britain? but don't quote me on it...