It's a fine work of art that xoB finds; "All I know is the location, Newby Hall, Ripon, N. Yorks.," he says.
We need more of this sort of thing, I think; it's a different visual art, isn't it, than painting or other sculpture because it requires a specific type of "found item". All I know is that I could never put something like that together, a 3D jigsaw puzzle without a known set or shape of pieces. One wonders whether the artist figured what stance the horse would have before finding the right pieces for it, or whether s/he adapted the piece based on what was found.
On a tech note, this image strains the capabilities of JPEG more than any other I've ever seen. The original was 147K in size; I optimized it to a medium quality and it only shrank to 100K. Something about the peculiar combination of colors and shapes makes it hard for the JPEG technology to compress. (I try to keep things small for you modem folks.)