Here's my take on it: the author is very good, even removed the metadata tags from the file, but have a look at the helmet thru the see-thru left forearm:

and the much larger pixels under the right pit...it's a good Photoshop job by an expert

A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)