Yes, lovely. A very intricate and time consuming Focus Stacking and finishing macro exercise I am sure. I can't see the tech details immediately, but I'd say some 40 or 50 images stacked, blended and then further adjusted. Here's another step by step detailed account how to do this accurately. http://digital-photography-school.com/how-to-focus-stack-macro-images-using-photoshop/
http://digital-photography-school.com/how-to-focus-stack-macro-images-using-photoshop/