NOTE: after the very helpful suggestions below, I've cloned the offending fence out, as well as realigning the ground and changing the title. Thanks to everyone who suggested crops and ways to fix this - very much appreciated and I think this version is an improvement, which is good news as I really liked this composition when I made it :-) The wire mesh fence /was/ on the right of the shot, where there's now a blank wall, right up against the trunk, and green.
I thought I'd post something with completely determinate scale...
This tree is deep within the Canyon de Chelly, in eastern Arizona, a place I very much enjoyed visiting. The slight haze over this shot is snow - visible in the larger version - which fell near-constantly as we drove around the canyon, in and out of the shallow, sandy river, with a Navajo guide.
Needless to say, perhaps, that fence really annoyed me, though having spent several minutes looking for a composition which excluded it, I concluded that the green/orange contrast had something going for it.... still, I'd rather it hadn't been there! The canyon is full of ancient, native American artefacts (buildings and paintings) and many are protected from damage by fences; great if you're photographing the 1,000 year old buildings - they're not really very intrusive - but pesky when what I was concentrating on was trees.
I have a blog article specifically on this brilliant canyon to be published shortly.